August 2018 2 38 Report
1.Uzupełnij
a)3(x-4)=3x-[?]
b)5(2+4x)=[?]+20x
c)2(5a+7b-3)=10[?]+14[?]-[?]
d)-(3r-5t)=-3r[?]5t
e)-3/4 (8x+12y)=-6[?]-[?]
f)-(-7a+9b)=[?]a-[?]b
g)2,5(-4p-10q)=-10[?]-25[?]
h)-1/2 (6a+8)=[?] -4
i)5x+10=[?](x+2)
j)3ab+4a=a([?]+[?]
k)-3p-5r=-([?]+[?])
l)5a-10ab=5a([?]-[?])
m)-6x+4=-2([?]x-[?])
n)-2xyz-xz = -xz([?]+[?])
o)-12a-8=[?](3a+2)
p)3kdo potęgi 2 - 2k=k([?]-[?]

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