问题 解答题
求比值.
1
4
1
5
0.125:0.80.7:14
7
2
吨:450千克
7
10
3
4
1.2:0.75.
答案

(1)

1
4
1
5

=

1
4
÷
1
5

=

5
4

(2)0.125:0.8

=0.125÷0.8

=

5
32

(3)0.7:14

=0.7÷14

=

1
20

(4)

7
2
吨:450千克

=3500千克:450千克

=3500÷450

=

70
9

(5)

7
10
3
4

=

7
10
÷
3
4

=

14
15

(6)1.2:0.77

=1.2÷0.75

=
8
5

问答题 简答题
单项选择题 A1型题