问题 解答题
化简比
5
6
1
6

0.125:
5
8

0.15:0.3.
答案

(1)

5
6
1
6

=(

5
6
×6):(
1
6
×6),

=5:1;

(2)0.125:

5
8

=

1
8
5
8

=(

1
8
×8):(
5
8
×8),

=1:5;

(3)0.15:0.3,

=(0.15×100):(0.3×100),

=15:30,

=(15÷15):(30÷15),

=1:2.

单项选择题 A1/A2型题
问答题