11⼀42+4⼀5×5⼀12+4⼀7简便计算

2024-12-02 11:08:57
推荐回答(3个)
回答1:

先算乘法再通分做加法
11/42+4/5×5/12+4/7
=11/42+1/3+4/7
=11/42+14/42+24/42
=49/42

回答2:

回答3:

11/42+4/5×5/12+4/7
=11/42+1/3+4/7
=11/42+14/42+24/42
=49/42
=7/6