Простите за плагиат
1)-2/9+(2/9-3/4)=11/36
2)4/7-(5/11-3/7)=6/11
3)23/6+(-5/6-1/7)=20/7=2 6/7
4)3/8-(1/9-5/8)=-5/36
5)11/4-(5/4+11/2)=-4
6)53/8-(7/4-19/8)=29/4=7 1/4
2)4/7-(5/11-3/7)=6/11
3)23/6+(-5/6-1/7)=20/7=2 6/7
4)3/8-(1/9-5/8)=-5/36
5)11/4-(5/4+11/2)=-4
6)53/8-(7/4-19/8)=29/4=7 1/4
Простите за плагиат
1)-2/9+(2/9-3/4)=11/36
2)4/7-(5/11-3/7)=6/11
3)23/6+(-5/6-1/7)=20/7=2 6/7
4)3/8-(1/9-5/8)=-5/36
5)11/4-(5/4+11/2)=-4
6)53/8-(7/4-19/8)=29/4=7 1/4