29. Przekształć iloczyny na sumy :a) 1/2 (3a- 2)b) 2/3 (1,5 + 3x)c) k(3l + 2m)d) -p(r-5s)
a) 1,5 a -1
b) 1 + 2x
c) 3kl + 2km
d) -pr + 5ps
a)
1/2 (3a- 2) = 1,5a-1b)
2/3 (1,5 + 3x) = 1+2xc)
k(3l + 2m) = 3kl+2kmd)
-p(r-5s) = -pr+5ps
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a) 1,5 a -1
b) 1 + 2x
c) 3kl + 2km
d) -pr + 5ps
a)
1/2 (3a- 2) = 1,5a-1
b)
2/3 (1,5 + 3x) = 1+2x
c)
k(3l + 2m) = 3kl+2km
d)
-p(r-5s) = -pr+5ps