问题描述:
2-(1/5+1/3)
(3/4-3/5)÷7/10
(2/3+2/9)÷20/21
1-5/14÷5/7
1/4÷(2/3+1/2)*4/5
[8/15-(4/5-3/10]*15/14
谁算出这些我加100分!
(3/4-3/5)÷7/10
(2/3+2/9)÷20/21
1-5/14÷5/7
1/4÷(2/3+1/2)*4/5
[8/15-(4/5-3/10]*15/14
谁算出这些我加100分!
问题解答:
我来补答展开全文阅读