问题
解答题
求未知数x. (1)3x-
(2)x:
|
答案
(1)3X-
1 |
2 |
2 |
3 |
(3-
1 |
2 |
2 |
3 |
5 |
2 |
2 |
3 |
5 |
2 |
2 |
5 |
2 |
3 |
2 |
5 |
X=
4 |
15 |
(2)X:
1 |
12 |
3 |
4 |
3 |
4 |
1 |
12 |
3 |
4 |
4 |
3 |
5 |
3 |
4 |
3 |
X=
20 |
9 |
求未知数x. (1)3x-
(2)x:
|
(1)3X-
1 |
2 |
2 |
3 |
(3-
1 |
2 |
2 |
3 |
5 |
2 |
2 |
3 |
5 |
2 |
2 |
5 |
2 |
3 |
2 |
5 |
X=
4 |
15 |
(2)X:
1 |
12 |
3 |
4 |
3 |
4 |
1 |
12 |
3 |
4 |
4 |
3 |
5 |
3 |
4 |
3 |
X=
20 |
9 |