题目内容
解方程.
| 12x-6x=9.9; |
| x-
|
(1)12x-6x=9.9,
6x=9.9,
6x÷6=9.9÷6,
x=1.65;
(2)
+m=
,
+m-
=
-
,
m=
;
(3)x-
=
,
x-
+
=
+
,
x=1
.
6x=9.9,
6x÷6=9.9÷6,
x=1.65;
(2)
| 2 |
| 5 |
| 9 |
| 10 |
| 2 |
| 5 |
| 2 |
| 5 |
| 9 |
| 10 |
| 2 |
| 5 |
m=
| 1 |
| 2 |
(3)x-
| 3 |
| 4 |
| 2 |
| 3 |
x-
| 3 |
| 4 |
| 3 |
| 4 |
| 2 |
| 3 |
| 3 |
| 4 |
x=1
| 5 |
| 12 |
练习册系列答案
相关题目