题目内容
解方程:
+X=
;
X-(
-
)=
;
-X=
.
| 1 |
| 3 |
| 5 |
| 6 |
X-(
| 3 |
| 4 |
| 1 |
| 8 |
| 3 |
| 8 |
| 5 |
| 16 |
| 7 |
| 24 |
(1)
+x=
,
+x-
=
-
,
x=
;
(2)x-(
-
)=
,
x-
=
,
x-
+
=
+
,
x=1;
(3)
-x=
,
-x+x=
+x,
+x=
,
+x-
=
-
,
x=
.
| 1 |
| 3 |
| 5 |
| 6 |
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 6 |
| 1 |
| 3 |
x=
| 1 |
| 2 |
(2)x-(
| 3 |
| 4 |
| 1 |
| 8 |
| 3 |
| 8 |
x-
| 5 |
| 8 |
| 3 |
| 8 |
x-
| 5 |
| 8 |
| 5 |
| 8 |
| 3 |
| 8 |
| 5 |
| 8 |
x=1;
(3)
| 5 |
| 16 |
| 7 |
| 24 |
| 5 |
| 16 |
| 7 |
| 24 |
| 7 |
| 24 |
| 5 |
| 16 |
| 7 |
| 24 |
| 7 |
| 24 |
| 5 |
| 16 |
| 7 |
| 24 |
x=
| 1 |
| 48 |
练习册系列答案
相关题目