问题 解答题
求比值:
3
7
19
21
0.11:220:0.8750.28:0.016.
答案

(1)

3
7
19
21

=

3
7
÷
19
21

=

9
19

(2)0.11:22,

=0.11÷22,

=

1
200

(3)0:0.875,

=0÷0.875,

=0;

(4)0.28:0.016,

=0.28÷0.016,

=

35
2

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