<span>(1/14-2/7):(-3)-6 1/13:(6 1/13)
1) </span>1/14-2/7=1/14- 4/14=-3/14
2) -3/14:(-3)=-3/14*(-1/3)=1/14
3) <span>6 1/13:(6 1/13)=1
4) 1/14 - 1=-13/14
</span>
= 24/5 : 4/5 = 24 *5 / 5*4= 6
-13/44-5/22+7/66+5/12
-13/44-10/44+7/66+5/12
-23/44+7/66+5/12
-69/132+14/132+55/132
-55/132+55/132
Ответ 0