题目内容
求未知数x的值.
|
| 8:x=
|
(1)
=
,
2x=3,
2x÷2=3÷2,
x=1.5;
(2)
:
=x:2.4,
x=
×2.4,
x×
=0.9×
,
x=1;
(3)8:x=
:
,
x=8×
,
x×3=8×
×3,
x=6.
| 2 |
| 3 |
| 1 |
| x |
2x=3,
2x÷2=3÷2,
x=1.5;
(2)
| 3 |
| 8 |
| 9 |
| 10 |
| 9 |
| 10 |
| 3 |
| 8 |
| 9 |
| 10 |
| 10 |
| 9 |
| 10 |
| 9 |
x=1;
(3)8:x=
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
x=6.
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