August 2018 2 21 Report
1.Przekształć iloczyny na sumy.
a)3(a-2)
b)-4(x+y)
c)-5(-x+1)
d)-3a(⅓-a)
e)(t-2s-1) * 1
f)½(2a-4b+1)
g)m(2m+3)
h)3p(2r+5p-1)
i)xy(2y-3y+5)
*-jako razy
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