问题 解答题
求比值.
12:4=0.6:4.8=
1
2
5
9
=
1
4
:0.25
=.
答案

12:4,

=12÷4,

=3;

0.6÷4.8,

=6÷48,

=

1
8

1
2
5
9

=

1
2
÷
5
9

=

1
2
×
9
5

=

9
10

1
4
:0.25,

=

1
4
1
4

=

1
4
÷
1
4

=1.

单项选择题
单项选择题