题目内容
甲、乙两数的差是10,甲数的
和乙数的
相等,那么,甲数是______.
| 1 |
| 7 |
| 1 |
| 4 |
设甲数是x,
x=(x-10)×
,
x=x×
-10×
,
x+2.5=x×
-2.5+2.5,
x+2.5-
x=
x-
x,
2.5÷
=
x÷
,
x=
.
故答案为:
.
| 1 |
| 7 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 4 |
| 1 |
| 7 |
| 1 |
| 7 |
| 1 |
| 4 |
| 1 |
| 7 |
2.5÷
| 3 |
| 28 |
| 3 |
| 28 |
| 3 |
| 28 |
x=
| 70 |
| 3 |
故答案为:
| 70 |
| 3 |
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