18．计算下面各题并且验算
| 2016÷36= | 7238÷94= | 1164÷32= | 2397÷47= |
| 1200÷24= | 2730÷26= | 3050÷25= | 2448÷24= |
17．直接写出得数．
0 159372 159380 159386 159390 159396 159398 159402 159408 159410 159416 159422 159426 159428 159432 159438 159440 159446 159450 159452 159456 159458 159462 159464 159466 159467 159468 159470 159471 159472 159474 159476 159480 159482 159486 159488 159492 159498 159500 159506 159510 159512 159516 159522 159528 159530 159536 159540 159542 159548 159552 159558 159566 199269
| 42÷2= | 60÷10= | 120÷30= | 75÷5= |
| 640÷4= | 810÷90= | 960÷4= | 510÷30= |
| 520÷2= | 780÷6= | 450÷90= | 420÷70= |
| 54÷3= | 57÷3= | 88÷8= | 56÷14= |