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:
Apples and oranges 1 Decimal: Privacy Policy:
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