Cevaplar

2012-11-28T18:52:38+02:00

26.5000=120 bunun gibi örnekler internette var

1 1 1
2012-11-28T18:57:56+02:00

8x-9x=-1x   13x-21+4x+30=17x+9   3ab+5ab-2ab+9=6ab+9

1 5 1