11.按要求改写成百分数或成数、折扣.
| 七成70% | 六成五65% | 九五折95% |
| 35%三成五(成数) | 100%十成(成数) | 45%四五折(折扣) |
4.用竖式计算下列各题,带★的要验算.
0 154476 154484 154490 154494 154500 154502 154506 154512 154514 154520 154526 154530 154532 154536 154542 154544 154550 154554 154556 154560 154562 154566 154568 154570 154571 154572 154574 154575 154576 154578 154580 154584 154586 154590 154592 154596 154602 154604 154610 154614 154616 154620 154626 154632 154634 154640 154644 154646 154652 154656 154662 154670 199269
| ①365÷5= | ②804÷5= | ③960÷6= |
| ④721÷7= | ★⑤901÷6= | ★⑥342÷3= |