999又15⼀16÷(1⼀8)怎么简便?

2025-06-24 09:16:32
推荐回答(1个)
回答1:

999又15/16÷(1/8)
=(1000-1/16)×8
=1000×8-1/16×8
=8000-1/2
=7999又1/2