题目内容
| 化简比. 144:120 | 0.4:0.6 |
|
(1)144:120
=(144÷24):(120÷24)
=6:5;
(2)0.4:0.6
=(0.4×5):(0.6×5)
=2:3;
(3)
:
=(
×48):(
×48)
=21:32.
=(144÷24):(120÷24)
=6:5;
(2)0.4:0.6
=(0.4×5):(0.6×5)
=2:3;
(3)
| 7 |
| 16 |
| 2 |
| 3 |
=(
| 7 |
| 16 |
| 2 |
| 3 |
=21:32.
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