题目内容
解方程.
(1)x÷
=36
(2)
x+
x=26.
(1)x÷
| 4 |
| 9 |
(2)
| 2 |
| 3 |
| 1 |
| 5 |
(1)x÷
=36,
x÷
×
= 36×
,
x=16;
(2)
x+
x=26,
x=26,
x×
=26×
,
x=30.
| 4 |
| 9 |
x÷
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
x=16;
(2)
| 2 |
| 3 |
| 1 |
| 5 |
| 13 |
| 15 |
| 13 |
| 15 |
| 15 |
| 13 |
| 15 |
| 13 |
x=30.
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