题目内容
竖式计算并且验算.
①707×335
②9800×340
③13507÷186
④168498÷814.
①707×335
②9800×340
③13507÷186
④168498÷814.
(1)707×335=236845,
707
2121
验算:236845÷335=707,
707
335
(2)9800×340=3332000,
9800
验算:3332000÷340=9800,
9800
340
(3)13507÷186=72…115,
72
186
验算:186×72+115=13507,
186
13392
(4)168498÷814=207,
207
814
验算:207×814=168498,
207
207
.
707
| ×335 |
| 3535 |
2121
| 2121 |
| 236845 |
验算:236845÷335=707,
707
335
| 236845 |
| 2345 |
| 2345 |
| 2345 |
| 0 |
(2)9800×340=3332000,
9800
| ×340 |
| 392 |
| 294 |
| 3332000 |
验算:3332000÷340=9800,
9800
340
| 3332000 |
| 3060 |
| 2720 |
| 2720 |
| 0 |
(3)13507÷186=72…115,
72
186
| 13507 |
| 1302 |
| 487 |
| 372 |
| 115 |
验算:186×72+115=13507,
186
| ×72 |
| 372 |
| 1302 |
| 13392 |
13392
| +115 |
| 13507 |
(4)168498÷814=207,
207
814
| 168498 |
| 1628 |
| 5698 |
| 5698 |
| 0 |
验算:207×814=168498,
207
| ×814 |
| 828 |
207
| 1656 |
| 168498 |
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