列竖式计算(带*的题要验算)42.3+15.9= 10-3.8= *15×68

2024-12-03 03:05:03
推荐回答(1个)
回答1:

42.3+15.9=58.2


10-3.8=6.2


*15×68=1020

验算:


32×26=832


936÷3=312


*526÷4=131…2

验算: