November 2018 1 21 Report

(2a-3b)+ (7a-8b ) =

(4x-12y)+(8x6y+5) =

- (3a+1)-(-2a+1)- (4a +4 ) =

(5x-4xy+5y)-(2x-xy-3y ) + (-x+2xy+y) =

Proszę nie liczyć na kalkulatorze bo znam wynik ale , jak na kal . to zgłoszę Proszę pomóżcie ! :* dam naj i podz .


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