Question

(10+5/6)x4/5;1/5+2/7除以3/14;1/56除以（3/14除以6/13)

这些题哪些有简便算法？有的话请说明计算方法~ 谢谢！*^_^*

Answer 1

(10+5/6)x4/5
=10×4/5+5/6×4/5
=8+2/3
=26/3

1/5+2/7÷3/14
=1/5+2/7×14/3
=1/5+4/3
=23/15

1/56÷（3/14÷6/13)
=1/56÷3/14×6/13
=1/56×14/3×6/13
=1/12×6/13
=1/26