December 2018 1 6 Report
Matematyka z plusem podręcznik str.165 zad. 30 wykonaj działania.
a) 6(x-4)- 2
b)2(x+1)-3(x-1)
c)-3(y-2)+ 4(y+2)
d) 5(x-y-1)-4(x+2)
e) 2(3a+b)-2(a-b)
f)1/2(4x-4)-2x
g)x(x-1)-3(x^-x)
h)5a(a-3)-3a(a-5)
i)3x(x+1/3y)-2y(1/2x-1/2)

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