A-A+

口算.240-200=______360+50=______710-80=______360

2022-08-14 02:38:00 问答库 阅读 200 次

问题详情

口算.
240-200=______360+50=______710-80=______

360÷4=______(31+40)×3=______630÷3=______

90÷9=______260-60=______230×3=______

(64-8)÷8=______73×2=______19×3=______

140×5=______80÷2=______(73-13)×7=______.

参考答案

240-200=40360+50=410710-80=630360÷4=90(31+40)×3=213630÷3=21090÷9=10260-60=200230×3=690(64-8)÷8=773×2=14619×3=57140×5=70080÷2=40(73-13)×7=420.故答案为:40,410,630,90,213,210,10,200,690,7,146,57,700,40,420.

考点:口算