题目内容
| 解方程. X×
|
|
|
(1)x×
=
x×
÷
=
÷
x=
;
(2)
-
x=
-
x+
x=
+
x
=
+
x
-
=
+
x-
x=
x×4=
×4
x=
;
(3)
x-
x=
x=
x×12=
×12
x=1.
| 8 |
| 9 |
| 5 |
| 6 |
x×
| 8 |
| 9 |
| 8 |
| 9 |
| 5 |
| 6 |
| 8 |
| 9 |
x=
| 15 |
| 16 |
(2)
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| 4 |
| 1 |
| 12 |
x=
| 1 |
| 3 |
(3)
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 12 |
| 1 |
| 12 |
| 1 |
| 12 |
| 1 |
| 12 |
| 1 |
| 12 |
x=1.
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