2又3⼀4+0.27-1又1⼀4-0.02等于多少?

2025-06-26 01:00:26
推荐回答(1个)
回答1:

2又3/4+0.27-1又1/4-0.02
=(2又3/4-1又1/4)+(0.27-0.02)
=1.5+0.25
=1.75