问题
解答题
|
答案
(1)X+
1 |
3 |
4 |
3 |
4 |
3 |
3 |
4 |
3 |
4 |
X=465;
(2)X-
2 |
7 |
5 |
7 |
5 |
7 |
7 |
5 |
7 |
5 |
X=630;
(3)
1 |
4 |
1 |
4 |
1 |
4 |
1 |
4 |
2X÷2=2.25÷2,
X=1.125;
(4)X(1+
1 |
5 |
6 |
5 |
6 |
5 |
5 |
6 |
5 |
6 |
X=65.
|
(1)X+
1 |
3 |
4 |
3 |
4 |
3 |
3 |
4 |
3 |
4 |
X=465;
(2)X-
2 |
7 |
5 |
7 |
5 |
7 |
7 |
5 |
7 |
5 |
X=630;
(3)
1 |
4 |
1 |
4 |
1 |
4 |
1 |
4 |
2X÷2=2.25÷2,
X=1.125;
(4)X(1+
1 |
5 |
6 |
5 |
6 |
5 |
5 |
6 |
5 |
6 |
X=65.