题目内容
|
(x)6×x
-3
X=4
,
8-3
X=4
,
8-3
X+3
X=4
+3
X,
8-4
=4
+3
X-4
,
3
×
=
X×
,
X=x;
(三)0.8:x.三=X:3
,
x.三X=0.8×3
,
x.三X÷x.三=3÷x.三,
X=三.5.
| x |
| 3 |
| 4 |
| 5 |
| x |
| 5 |
8-3
| 4 |
| 5 |
| x |
| 5 |
8-3
| 4 |
| 5 |
| 4 |
| 5 |
| x |
| 5 |
| 4 |
| 5 |
8-4
| x |
| 5 |
| x |
| 5 |
| 4 |
| 5 |
| x |
| 5 |
3
| 4 |
| 5 |
| 5 |
| x9 |
| x9 |
| 5 |
| 5 |
| x9 |
X=x;
(三)0.8:x.三=X:3
| 3 |
| 4 |
x.三X=0.8×3
| 3 |
| 4 |
x.三X÷x.三=3÷x.三,
X=三.5.
练习册系列答案
相关题目