从-1中减去-7⼀12,-7⼀8,-3⼀4三个数的和,所得的差是多少

2025-02-27 01:09:36
推荐回答(1个)
回答1:

=-1-(-7/12-7/8-3/4)
=-1-(-14/24-21/24-18/24)
=-1-(-53/24)
=-1+53/24
=29/24