题目内容
解方程.
x=
12x=
x=
.
| 2 |
| 9 |
| 4 |
| 15 |
12x=
| 24 |
| 35 |
| 5 |
| 8 |
| 25 |
| 36 |
(1)
x=
x÷
=
÷
x=1
;
(2)12x=
12x÷12=
÷12
x=
;
(3)
x=
x÷
=
÷
x=1
.
| 2 |
| 9 |
| 4 |
| 15 |
| 2 |
| 9 |
| 2 |
| 9 |
| 4 |
| 15 |
| 2 |
| 9 |
x=1
| 1 |
| 5 |
(2)12x=
| 24 |
| 35 |
12x÷12=
| 24 |
| 35 |
x=
| 2 |
| 35 |
(3)
| 5 |
| 8 |
| 25 |
| 36 |
| 5 |
| 8 |
| 5 |
| 8 |
| 25 |
| 36 |
| 5 |
| 8 |
x=1
| 1 |
| 9 |
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