题目内容
解方程.
| x×28=
| x÷
|
(1)
x=
x÷
=
÷
x=
;
(2)x×28=
x×28÷28=
÷28
x=
;
(3)x÷
=18
x÷
×
=18×
x=
.
| 2 |
| 3 |
| 3 |
| 2 |
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 2 |
| 3 |
x=
| 9 |
| 4 |
(2)x×28=
| 7 |
| 8 |
x×28÷28=
| 7 |
| 8 |
x=
| 1 |
| 32 |
(3)x÷
| 9 |
| 10 |
x÷
| 9 |
| 10 |
| 9 |
| 10 |
| 9 |
| 10 |
x=
| 81 |
| 5 |
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