Wednesday, June 8, 2022

Apples and oranges 1 decimal - Google Play

 Apples and Oranges 1 decimal


 https://play.google.com/store/apps/details?id=com.appleorange.firstdecimal

 

Basic tool to learn algebra.
Trying solving a system of linear equations with two equations and two unknown variables. (Two purchases and two fruits)

5 ways to solve:

Gauss-Jordan elimination:

 
Graphic
 

 
Two weighing scales

 
Cramer's rule
 

 
 
 
Inverse matrix
 

 
Apples and oranges Video:
 
 

 
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