题目内容
| 列竖式计算,打★的要求验算. 42×48= | 608÷8= | ★82×21= |
| 69×57= | 423÷6= | ★279÷3= |
42×48=2016;
608÷8=76;
82×21=1772;
验算:
69×57=3933;
423÷6=70…3;
279÷3=91.
验算:
|
| . |
| 336 |
| 168 |
| 2016 |
608÷8=76;
|
| 56 |
| 48 |
| 48 |
| 0 |
82×21=1772;
|
| . |
| 82 |
| 164 |
| 1722 |
验算:
|
| 168 |
| 42 |
| 42 |
| 0 |
69×57=3933;
|
| . |
| 483 |
| 345 |
| 3933 |
423÷6=70…3;
|
| 420 |
| 3 |
279÷3=91.
|
| 27 |
| 9 |
| 9 |
| 0 |
验算:
|
| . |
| 279 |
练习册系列答案
相关题目