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计算.(求比值并化简比)0.125:1.75;51:136;35:47;14:24;0.6:16;7.5:10.

题目详情
计算.(求比值并化简比)
0.125:1.75;       51:136;          
3
5
4
7

14:24;            0.6:16;          7.5:10.
▼优质解答
答案和解析
(1)0.125:1.75
=0.125÷1.75
=
1
14

0.125:1.75
=(0.125×8):(1.75×8)
=1:14;

(2)51:136
=51÷136
=
3
8

51:136
=(51÷17):(136÷17)
=3:8;

(3)
3
5
4
7

=
3
5
÷
4
7

=
21
20

3
5
4
7

=(
3
5
×35):(
4
7
×35)
=21:20;

(4)14:24
=14÷24
=
7
12

14:24
=(14÷2):(24÷2)
=7:12;

(5)0.6:16
=0.6÷16
=
3
80

0.6:16
=(0.6÷0.2):(16÷0.2)
=3:80;

(6)7.5:10
=7.5÷10
=0.75;
7.5:10
=(7.5÷2.5):(10÷2.5)
=3:4.