15 6/13-(6 8/3+ 7 9/13)=??)
15 6/13-(6 8/3+ 7 9/13)=??)
Ответы:
21-02-2010 06:59
15 6/13-(6 8/3+7 9/13)=201/13-(26/3+100/13)=201/13-638/39=-35/39
15 6/13-(6 8/3+ 7 9/13)=??)
15 6/13-(6 8/3+7 9/13)=201/13-(26/3+100/13)=201/13-638/39=-35/39