问题 解答题
求比值:
1
2
1
8
=______
20:1.5=______
0.5:
1
3
=______.
答案

(1)

1
2
1
8

=

1
2
÷
1
8

=4;

(2)20:1.5,

=20÷1.5,

=

40
3

(3)0.5:

1
3

=0.5÷

1
3

=1.5.

故答案为:4,

40
3
,1.5.

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