问题 解答题
化简下面各题
32:24
3
5
4
15
0.45:0.6.
答案

(1)32:24,

=(32÷8):(24÷8),

=4:3;

(2)

3
5
4
15

=(

3
5
×15):(
4
15
×15),

=9:4;

(3)0.45:0.6,

=(0.45×100):(0.6×100),

=45:60,

=(45÷15):(60÷15),

=3:4.

填空题
填空题