October 2018 2 31 Report

Przekształć iloczyny na sumy: a) jedna druga(3a-2) b)dwie trzecie(1,5+3x) c)k(3l+2m) d)-p(r-5s)

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) jedna druga(4x-4)-2x

g)x(x-1)-3(x do kwadratu-x)

h)5a(a-3)-3a(a-5)

i)3x(x+ jedna trzecia y)-2y(jedna druga x-jedna druga)


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