December 2018 1 18 Report
Opuść nawiasy i zredukuj.
a) 3(2a-5b-8)-4(3a+8b-7)=
b) 3-(2a+8b-5)-2(3a-10)+(-6b-8a+7)=
c) 5a(2a-3b+4)-3b(-2a+8b-5)-10a^2-15b=
d) (4x-y+2)-2(2x+y-6)-(y-x)+(y-x)=
e) -0,5(4a-8b+8)-0,75(12a-8b+4)=
f) -(-y+3)+(-3y-8)-5(2y-3)+2(-y+1)=

Wiem co teraz chcesz powiedzieć...
To jest łatwe, ale ja tego nie rozumiem! ;/
DAJE NAJ :)
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