题目内容
化简比.
(1)63:1.25
(2)
:
(3)0.32千米:560米.
(1)63:1.25
(2)
| 4 |
| 6 |
| 3 |
| 5 |
(3)0.32千米:560米.
(1)63:1.25,
=(63×4):(1.25×4),
=252:5;
(2)
:
,
=(
×30):(
×30),
=20:18,
=10:9;
(3)0.32千米:560米,
=320米:560米,
=(320÷80):(560÷80),
=4:7.
=(63×4):(1.25×4),
=252:5;
(2)
| 4 |
| 6 |
| 3 |
| 5 |
=(
| 4 |
| 6 |
| 3 |
| 5 |
=20:18,
=10:9;
(3)0.32千米:560米,
=320米:560米,
=(320÷80):(560÷80),
=4:7.
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