Cevaplar

2012-12-21T17:07:46+02:00

a-5x6=a-3x5
a-30=a-15
a=15 

1 5 1
2012-12-21T17:09:25+02:00

7 ile 4   

7-5x6-3x5: 45

4-5x6-3x5: 45

1 5 1