Odpowiedzi

2010-02-24T16:39:12+01:00
3(2a + 3) = 6a + 9
-2(7-2y) = -14+4y
(2a+b)*(-5)= -10a-5b
proszę o naj :DD
2 5 2
2010-02-24T16:40:52+01:00
3(2a+3)=6a+9
-2(7-2y)=-14+4y
(2a+b)*(-5) =-10a-5b
1 5 1
2010-02-24T16:42:31+01:00
3(2a+3)=6a+9
-2(7-2y)= -14+4y
(2a+b)*(-5)=-10a-5b