题目内容
求未知数:
x.
|
|
(1)
x-1=0.9×
,
x-1+1=0.6+1,
x=1.6,
÷
=1.6÷
,
x=2.4;
(2)
:
=8:x,
x=
×8,
x÷
=
÷
,
x=48.
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
x=2.4;
(2)
| 1 |
| 9 |
| 2 |
| 3 |
| 1 |
| 9 |
| 2 |
| 3 |
| 1 |
| 9 |
| 1 |
| 9 |
| 16 |
| 3 |
| 1 |
| 9 |
x=48.
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