问题
解答题
解方程.
|
答案
(1)
2 |
5 |
24 |
7 |
2 |
5 |
2 |
5 |
24 |
7 |
2 |
5 |
x=
60 |
7 |
(2)35x×
2 |
7 |
5 |
6 |
10x=
5 |
6 |
10x÷10=
5 |
6 |
x=
1 |
12 |
(3)
3 |
5 |
3 |
10 |
3 |
5 |
3 |
10 |
9x+
3 |
10 |
3 |
5 |
9x+
3 |
10 |
3 |
10 |
3 |
5 |
3 |
10 |
9x=
3 |
10 |
9x÷9=
3 |
10 |
x=
1 |
30 |
(4)(
7 |
3 |
4 |
15 |
5 |
7 |
13 |
5 |
5 |
7 |
13 |
5 |
13 |
5 |
5 |
7 |
13 |
5 |
x=
10 |
7 |