(4⼀5+1⼀4)除7⼀3+7⼀10?

2025-05-14 03:45:34
推荐回答(3个)
回答1:

(4/5+1/4)÷7/3+7/10
=(16/20+5/20)÷7/3+7/10
=21/20×3/7+7/10
=9/20+14/20
=23/20
化为小数为1.15

回答2:

(4/5+1/4)÷7/3+7/10
=21/20x3/7+7/10
=9/20+14/20
=23/20

回答3:

如图所示望采纳