题目内容
解方程.
(1)
| (2)x-
|
(1)
x+6=22,
x+6-6=22-6,
x=16,
x÷
=16÷
,
x=36;
(2)x-
x=36,
x(1-
)=36,
x=36,
x÷
=36÷
,
x=90.
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
x=36;
(2)x-
| 3 |
| 5 |
x(1-
| 3 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
x=90.
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