September 2018 2 41 Report
Proszę o szybkie rozwiązanie zadania:)

Zadanie 1.

a) 0,2(x-5y)=

b) -⅓(a+3b)-2a= dla a=¼ b=-⅓

c) 6(3+z)-4(2z+4)+2(8+z)= dla z=1/9 (jedna dziewiąta)

d) -4(2x-7-3y)-12(-y-x)= dla x=-1 y=0

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