Odpowiedzi

2010-03-04T22:08:16+01:00
6-a-5-3a-a+4= 5 - 3a
a+3-5-a-7-3a= -3a -9
6-3a-a+5-4-a= 7 - 5a

6-a-a+3-6-3a= 3 - 5a
5-3a-5-a-a+5= 5 - 5a
a+4-7-3a-4-a= -3a -7

6-a-5-a-4-a= -3 -3a
6-3a-5-a-a+4= 5 - 5a
2010-03-04T22:08:25+01:00
6-a-5-3a-a+4= -5a+5
a+3-5-a-7-3a= -3a-9
6-3a-a+5-4-a= -5a+7

6-a-a+3-6-3a= -5a+3
5-3a-5-a-a+5= -5a +5
a+4-7-3a-4-a= -3a-7

6-a-5-a-4-a= -3a -3
6-3a-5-a-a+4=-5a+5