October 2018 2 33 Report

Przekształć iloczyny na sumy. :

a) 3(a-2)

b)-4(x+y)

c)-5(-x+1)

d)-3a(jedna trzecia-a)

e)(t-2s-1) razy 7

f)jedna druga(2a-4b+1)

g) m(2m+3)

h)3p(2r+5p-1)

i)xy(2x-3y+5)


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