题目内容
计算:1997
÷1997.
| 1997 |
| 1998 |
1997
÷1997,
=(1997+
)×
,
=1997×
+
×
,
=1+
,
=1
;
故答案为:1
.
| 1997 |
| 1998 |
=(1997+
| 1997 |
| 1998 |
| 1 |
| 1997 |
=1997×
| 1 |
| 1997 |
| 1997 |
| 1998 |
| 1 |
| 1997 |
=1+
| 1 |
| 1998 |
=1
| 1 |
| 1998 |
故答案为:1
| 1 |
| 1998 |
练习册系列答案
相关题目