3-5⼀9×7⼀20-11⼀36简便计算?

各位大神,求求你们
2024-10-31 12:16:11
推荐回答(2个)
回答1:

计算过程方法如下
解:原式=3-7/36-11/36
=3-(7/36+11/36)
=3-1/2
=2又1/2

回答2:

3-5/9×7/20-11/36
=3-7/36-11/36
=3-(7/36+11/36)
=3-1/2
=2又1/2