October 2018 2 17 Report

Zastąp "X "odpowiednią liczbą. a) 5-x=3 x-7=7 x-7=7 5-x=-3 c) x-7=-2 20-x=29 5-x=7 x-7=0 b) -9-x=10 5-x=0 x-7=-10 x-(-7)=-2


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