题目内容
化简比.
(1)8:36 (2)0.25:0.5 (3)
:
.
(1)8:36 (2)0.25:0.5 (3)
| 1 |
| 4 |
| 3 |
| 4 |
(1)8:36,'
=(8÷4):(36÷4),
=2:9;
(2)0.25:0.5,
=(0.25×20):(0.5×20),
=5:10,
=1:2;
(3)
:
,
=(
×4):(
×4),
=1:3.
=(8÷4):(36÷4),
=2:9;
(2)0.25:0.5,
=(0.25×20):(0.5×20),
=5:10,
=1:2;
(3)
| 1 |
| 4 |
| 3 |
| 4 |
=(
| 1 |
| 4 |
| 3 |
| 4 |
=1:3.
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