题目内容
解方程
| 4x-1.6x=36. |
(1)
x-
=
,
x-
+
=
+
,
x=
,
x÷
=
÷
,
x=
;
(2)4x-1.6x=36,
2.4x=36,
2.4x÷2.4=36÷2.4,
x=15.
| 2 |
| 3 |
| 3 |
| 4 |
| 5 |
| 12 |
| 2 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
| 5 |
| 12 |
| 3 |
| 4 |
| 2 |
| 3 |
| 7 |
| 6 |
| 2 |
| 3 |
| 2 |
| 3 |
| 7 |
| 6 |
| 2 |
| 3 |
x=
| 7 |
| 4 |
(2)4x-1.6x=36,
2.4x=36,
2.4x÷2.4=36÷2.4,
x=15.
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