Przekształć iloczyny na sumy:
a) 3(a-2)
b) -4(x+y)
c) -5(-x+1)
d) -3a(1/3-a)
e) (t-2s-1)*7
f) 1/2(2a-4b+1)
g) m(2m+3)
h) 3p(2r+5p-1)
i) xy(2x-3y+5)
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3a-6
-4x-4y
5x-5
-a+a2(kwadrat)
7t-14s-7
a-2b+1/2
2m2+3m
6pr+15p2-3p
2x2y-3xy2+5xy
Proszę. ;)
a]3[a-2]=3a-6 b]-4[x+y]=-4x-4y c]-5[-x+1]=5x-5 d]-3a[1/3-a]=-a+3akwadrat e][t-2s-1]7=7t-14s-7 f]1/2[2a-4b+1]=a-2b+1/2 g]m[2m+3]=2mkwadrat+3m h]3p[2r+5p-1]=6pr+15pkwadrat-3p i]xy[2x-3y+5]=2xkwadrat y-3xykwadrat+5xy