Odpowiedzi

2010-03-07T16:16:39+01:00
A) 1/2(3a-2)
3a/2-1
-1+3a/2
b)2/3(1,5+3x)
3/3+6x/3
1+2x
c) k(3l+2m)
3kl+2ml
d) -p(r-5s)
-pr+5ps
2010-03-07T16:16:44+01:00
A)1/2(3a-2)=3/2a-1
b)2/3(1,5+3x)=15^2/30+2/3^3x=30/30+2x=1+2x
c)k(3l+2m)=3kl+2km
d)-p(r-5s)=-pr+5ps
2010-03-07T16:17:27+01:00
A) 1,5a- 1
b)1/2+ 2x
c)3kl+2mk
d) -pr+5ps