题目内容
【题目】列竖式计算。(带☆的题要验算)
905-615= 1000-53=
☆485+247= 676+314=
213-187= ☆900-198=
【答案】905-615=290 1000-53=947
9 | 0 | 5 | ||||
-6 | 1 | 5 | ||||
2 | 9 | 0 | ||||
1 | 0 | 0 | 0 | |||
- | 5 | 3 | ||||
9 | 4 | 7 | ||||
485+247=732
4 | 8 | 5 |
+2 | 4 | 7 |
7 | 3 | 2 |
验算:
2 | 4 | 7 |
+4 | 8 | 5 |
7 | 3 | 2 |
676+314=990 213-187=26
6 | 7 | 6 |
+3 | 1 | 4 |
9 | 9 | 0 |
2 | 1 | 3 |
-1 | 8 | 7 |
2 | 6 |
900-198=702
9 | 0 | 0 |
-1 | 9 | 8 |
7 | 0 | 2 |
验算:
7 | 0 | 2 |
+1 | 9 | 8 |
9 | 0 | 0 |
【解析】略
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