搜题请搜索小程序“爱下问搜题”
问题
填空题
( )
15
=
3
5
=
18
( )
=12÷______=______(小数)
答案
9
15
=
3
5
=
18
30
=12÷20=0.6;
故答案为:9,30,20,0.6.
选择题
_____ is the most important now is to rescue the survivors of the earthquake.
A. It
B. This
C. What
D. As
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单项选择题
裂解汽油加氢反应是一个气体体积()的反应。
A、增大
B、缩小
C、不变
D、无法确定
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