直接写出得数． 80-15=100-26=30÷5=240+300=340-20_爱下问搜题

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问题解答题

直接写出得数．

80-15=	100-26=	30÷5=
240+300=	340-200=	54÷9=
180+90=	538+62=	8×8=

答案

80-15=65	100-26=74	30÷5=6
240+300=540	340-200=140	54÷9=6
180+90=270	538+62=600	8×8=64

选择题

— ____ you got the news that the rocket was sent up successfully?

— From the radio. [ ]

A. How was it that

B. How it was that

C. What was it that

D. What it was that

单项选择题

水喷雾灭火系统，消防水池、消防水箱应每（）检查一次，消防水泵应每（）启动运转一次。

A.月

B.天

C.季度

D.年