October 2018 2 21 Report

Oblicz:

(-2a+3b)-(-3a-b)=

(-2x+y)-(4y-2x)=

(5a+2b)-(-3a+b)=

(-7x-2y)-(-x+3y)=

(5a-3b)-(-2b+2a)=

(-4x-2y)-(-5x-2y)=

Jak ktoś napiszę dodam do znajomych :*


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