A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_URI::$config is deprecated

Filename: core/URI.php

Line Number: 101

Backtrace:

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Router::$uri is deprecated

Filename: core/Router.php

Line Number: 127

Backtrace:

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$benchmark is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$hooks is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$config is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$log is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$utf8 is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$uri is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$exceptions is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$router is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$output is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$security is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$input is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$lang is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$load is deprecated

Filename: core/Controller.php

Line Number: 78

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$db is deprecated

Filename: core/Loader.php

Line Number: 390

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated

Filename: database/DB_driver.php

Line Number: 371

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 129

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 278

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 149

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 206

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 295

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 333

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 284

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 291

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 306

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 318

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 319

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 377

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$session is deprecated

Filename: core/Loader.php

Line Number: 1279

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$mod is deprecated

Filename: core/Loader.php

Line Number: 353

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 8
Function: __construct

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Knobelix::$schwierigkeiten is deprecated

Filename: controllers/Knobelix.php

Line Number: 10

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 10
Function: _error_handler

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$benchmark is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$hooks is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$config is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$log is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$utf8 is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$uri is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$exceptions is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$router is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$output is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$security is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$input is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$lang is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$load is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$db is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$session is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$mod is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$schwierigkeiten is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/bastista/public_html/erudio/application/controllers/Knobelix.php
Line: 56
Function: view

File: /home/bastista/public_html/erudio/index.php
Line: 315
Function: require_once

Knobelix

8 anspruchsvolle Aufgaben Hinkelstein Hinkelstein Hinkelstein Hinkelstein

11 Edisons Zisterne
Thomas Alva Edison (1847 bis 1931) wurde oft von seinen Gästen gefragt, warum er – als einer der grössten Physiker – ein Gartentor habe, dass unwahrscheinlich schwer gehe.
17 Vier schwarze Springer
Das abgebildete Schachbrett soll so in 4 kongruente Teile zerlegt werden, dass sich auf jedem Teil genau ein Springer befindet.
27 Der Meister und sein Lehrling
Montiert ein Lehrling eine Maschine, dann dauert das 15 Stunden länger als beim Meister.
29 Herr Produkt und Herr Summe
Zu finden sind zwei natürliche Zahlen, die beide echt zwischen 1 und 100 liegen.
37 17 Kamele
Ein reicher Araber hinterlässt seinen 3 Söhnen 17 Kamele.
48 Oma beim Einkauf
Eine Oma bezahlt ihren Einkauf mit einer 100-Franken-Note.
54 Der Autoparkplatz
Auf welcher Parkplatznummer steht das Auto.
62 Was passiert mit dem Quadrat?
Ein Dreieck besteht aus vier Teilflächen.