17⼀20加1⼀4-7⼀20

2024-12-25 16:36:18
推荐回答(3个)
回答1:

17/20+1/4-7/20
=17/20-7/20+1/4
=1/2+1/4
=3/4

回答2:

回答3:

顺从是顺丰丰顺丰顺丰