题目内容
把下列各比化成最简整数比.
|
0.2:0.25 | 35:40 | 0.5小时:40分钟. |
(1)
:
,
=(
×8):(
×8),
=6:3,
=2:1;
(2)0.2:0.25,
=(0.2×20):(0.25×20),
=4:5;
(3)35:40,
=(35÷5):(40÷5),
=7:8;
(4)0.5小时:40分钟,
=30分钟:40分钟,
=(30÷10):(40÷10),
=3:4.
| 3 |
| 4 |
| 3 |
| 8 |
=(
| 3 |
| 4 |
| 3 |
| 8 |
=6:3,
=2:1;
(2)0.2:0.25,
=(0.2×20):(0.25×20),
=4:5;
(3)35:40,
=(35÷5):(40÷5),
=7:8;
(4)0.5小时:40分钟,
=30分钟:40分钟,
=(30÷10):(40÷10),
=3:4.
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把下列各比化成最简整数比.
| 0.2:0.25 | 35:40 | 0.5小时:40分钟. |