4分之5-(7分之3+4分之1)简便计算

2024-12-02 21:38:44
推荐回答(2个)
回答1:

4分之5-(7分之3+4分之1)
=4分之5-4分之1)-7分之3
=1-7分之3
=7分之4

回答2:

4分之5-(7分之3+4分之1)
=5/4-3/7-1/4
=5/4-1/4-3/7
=1-3/7
=4/7