题目内容
解比例.
8:Χ=2:
=
.
8:Χ=2:
| 1 |
| 4 |
| Χ |
| 6 |
| 1.5 |
| 5 |
(1)8:Χ=2:
,
2X=8×
,
2X=2,
X=2÷2,
X=1;
(2)
=
,
5X=1.5×6,
5X=9,
X=9÷5,
X=
.
| 1 |
| 4 |
2X=8×
| 1 |
| 4 |
2X=2,
X=2÷2,
X=1;
(2)
| Χ |
| 6 |
| 1.5 |
| 5 |
5X=1.5×6,
5X=9,
X=9÷5,
X=
| 9 |
| 5 |
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