题目内容
解比例或方程.
| 8.2:x=1.8:3.6 |
|
| x+
|
(1)8.2:x=1.8:3.6
1.8x=8.2×3.6
1.8x=29.52
x=16.4
(2)
:
=6:x
x=
×6
x=4
x=8
(3)
=
3.2x=0.6×8
3.2x=4.8
x=1.5
(4)x+
x=24
x=24
x×
=24×
x=18
1.8x=8.2×3.6
1.8x=29.52
x=16.4
(2)
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
x=8
(3)
| 0.6 |
| 3.2 |
| x |
| 8 |
3.2x=0.6×8
3.2x=4.8
x=1.5
(4)x+
| 1 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
x=18
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