题目内容
化简比.
| 1.8:2.4 | 1.2吨:750千克. |
(1)
:
,
=(
×24):(
:(
×24),
=20:21;
(2)1.8:2.4,
=(1.8×5):(2.4×5),
=9:12,
=3:4;
(3)1.2吨:750千克,
=1200千克:750千克,
=(1200÷150):(750÷150),
=8:5.
| 5 |
| 6 |
| 7 |
| 8 |
=(
| 5 |
| 6 |
| 7 |
| 8 |
| 7 |
| 8 |
=20:21;
(2)1.8:2.4,
=(1.8×5):(2.4×5),
=9:12,
=3:4;
(3)1.2吨:750千克,
=1200千克:750千克,
=(1200÷150):(750÷150),
=8:5.
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