题目内容
求未知数x
x+8×0.5=16
x:
=14:
.
| 1 |
| 3 |
x:
| 2 |
| 7 |
| 2 |
| 5 |
(1)
x+8×0.5=16,
x+4=16,
x+4-4=16-4,
x×3=12×3,
x=36;
(2)x:
=14:
,
x=
×14,
x×
=4×
,
x=10.
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
x=36;
(2)x:
| 2 |
| 7 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 7 |
| 2 |
| 5 |
| 5 |
| 2 |
| 5 |
| 2 |
x=10.
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