题目内容
解方程.
| X+16X=85 | X-
|
①
x=78
x×
=78×
x=91;
②X+16X=85
17x÷17=85÷17
x=5;
③X-
X=
x×
=
×
x=2
.
| 6 |
| 7 |
| 6 |
| 7 |
| 7 |
| 6 |
| 7 |
| 6 |
x=91;
②X+16X=85
17x÷17=85÷17
x=5;
③X-
| 3 |
| 5 |
| 6 |
| 7 |
| 2 |
| 5 |
| 5 |
| 2 |
| 6 |
| 7 |
| 5 |
| 2 |
x=2
| 1 |
| 7 |
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