题目内容
解放程.
①6+
X=10
②
X+
X=12.
①6+
| 7 |
| 10 |
②
| 2 |
| 3 |
| 3 |
| 5 |
(1)6+
X=10,
6+
X-6=10-6,
x÷
=4÷
,
x=5
;
(2)
X+
X=12,
x=12,
x÷
=12÷
,
x=9
.
| 7 |
| 10 |
6+
| 7 |
| 10 |
| 7 |
| 10 |
| 7 |
| 10 |
| 7 |
| 10 |
x=5
| 5 |
| 7 |
(2)
| 2 |
| 3 |
| 3 |
| 5 |
| 19 |
| 15 |
| 19 |
| 15 |
| 19 |
| 15 |
| 19 |
| 15 |
x=9
| 9 |
| 19 |
练习册系列答案
相关题目