笔算687除以7等于多少

笔算687除以7等于多少
2024-12-13 04:52:52
推荐回答(1个)
回答1:

解:
687÷7
=(630+56+1)÷7
=630÷7+56÷7+1÷7
=90+8+1/7
=98又7分之1