题目内容
解方程:
X÷
=
X+
X=35.
X÷
| 2 |
| 3 |
| 7 |
| 9 |
| 1 |
| 2 |
| 1 |
| 3 |
(1)x÷
=
,
x÷
×
=
×
,
x=
;
(2)
x+
x=35,
x=35,
x×
=35×
,
x=42.
| 2 |
| 3 |
| 7 |
| 9 |
x÷
| 2 |
| 3 |
| 2 |
| 3 |
| 7 |
| 9 |
| 2 |
| 3 |
x=
| 14 |
| 27 |
(2)
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 5 |
| 6 |
| 6 |
| 5 |
| 6 |
| 5 |
x=42.
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