题目内容
1998+19981998+..
| ||||
1999+19991999+…+
|
1998+19981998+..
| ||||
1999+19991999+…+
|
=
1998×(1+10001+100010001+…+
| ||||
1999×(1+10001+100010001+…+
|
=
| 1998 |
| 1999 |
故答案为:
| 1998 |
| 1999 |
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相关题目
题目内容
1998+19981998+..
| ||||
1999+19991999+…+
|
1998+19981998+..
| ||||
1999+19991999+…+
|
1998×(1+10001+100010001+…+
| ||||
1999×(1+10001+100010001+…+
|
| 1998 |
| 1999 |
| 1998 |
| 1999 |