5⼀8÷2⼀7+3⼀8÷7⼀2等于哪个分数?

2025-04-04 08:25:00
推荐回答(1个)
回答1:

5/8÷2/7+3/8÷7/2等于哪个分数?
=5/8*7/2+3/8*2/7
=35/16+3/28
=245/112+12/112
=257/112
=2又33/112