September 2018 1 13 Report

A. 2(a-3b)-3(a-b)-5(4a-3b)=
B. -3(2x-3y)+5(x+2y)-2(3y-x)=
C. 5(b-2a)+3(a-3b)-4(2a-4b)=
D. -7(2a+3b)-9(a-2b)-3(3a+4b)=
E. 3(1,5-2b-0,25c)-2(-3a-4,5b-0,125c)=
F. 1,5(2a-3b-c)-2,5(a-2b+c)=

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