(25⼀24-19)×1⼀5等于多少谢谢学霸

2025-04-19 15:45:21
推荐回答(1个)
回答1:

解:原式=25/24x1/5-19x1/5
=5/24-19/5
=5/24-(3+4/5)
=-3-(4/5-5/24)
=-3-(96/120-25/120)
=-3-71/120
=-3又71/120