题目内容
解比例:
(1)x:24=3:8
(2)8.1:x=1.8:36
(3)
:
=6:x
(4)
=
.
(1)x:24=3:8
(2)8.1:x=1.8:36
(3)
| 1 |
| 2 |
| 2 |
| 3 |
(4)
| 4.8 |
| 1.6 |
| x |
| 2 |
(1)x:24=3:8,
8x=24×3,
x=
,
x=9,
(2)8.1:x=1.8:36,
1.8x=8.1×36,
x=
,
x=162,
(3)
:
=6:x
x=
×6,
x=4,
x=4÷
,
x=8,
(4)
=
.
1.6x=4.8×2,
x=
,
x=6.
8x=24×3,
x=
| 24×3 |
| 8 |
x=9,
(2)8.1:x=1.8:36,
1.8x=8.1×36,
x=
| 8.1×36 |
| 1.8 |
x=162,
(3)
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
x=4÷
| 1 |
| 2 |
x=8,
(4)
| 4.8 |
| 1.6 |
| x |
| 2 |
1.6x=4.8×2,
x=
| 4.8×2 |
| 1.6 |
x=6.
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