题目内容
化简下列各比.
| 6:0.75 |
| 0.75吨:500千克 | 0.2千米:500米. |
(1)6:0.75,
=(6×20):(0.75×20),
=120:15,
=8:1;
(2)
:
,
=(
×20):(
×20),
=15:8;
(3)0.75吨:500千克,
=750千克:500千克,
=(750÷250):(500÷250),
=3:2;
(4)0.2千米:500米,
=200米:500米,
=(200÷100):(500÷100),
=2:5.
=(6×20):(0.75×20),
=120:15,
=8:1;
(2)
| 3 |
| 4 |
| 2 |
| 5 |
=(
| 3 |
| 4 |
| 2 |
| 5 |
=15:8;
(3)0.75吨:500千克,
=750千克:500千克,
=(750÷250):(500÷250),
=3:2;
(4)0.2千米:500米,
=200米:500米,
=(200÷100):(500÷100),
=2:5.
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