Odpowiedzi

2010-02-10T23:25:51+01:00
4b+3=3b-4
4b-3b=-4-3
b=-7

;]
1 1 1
2010-02-10T23:26:35+01:00
4b+3=3b-4 | -3b |-3
b=-7
1 1 1
2010-02-10T23:27:10+01:00
4b+3=3b-4
4b-3b=-4-3
b=-7
1 1 1