7．竖式计算．
| 3.62+14.9= | 24×56= | 170×60= |
| 9432÷9= | 38×11= | 25×18= |
6．直接写得数．
0 159290 159298 159304 159308 159314 159316 159320 159326 159328 159334 159340 159344 159346 159350 159356 159358 159364 159368 159370 159374 159376 159380 159382 159384 159385 159386 159388 159389 159390 159392 159394 159398 159400 159404 159406 159410 159416 159418 159424 159428 159430 159434 159440 159446 159448 159454 159458 159460 159466 159470 159476 159484 199269
| 1.5+1.5= | 60×80= | 72×50= | 1-0.08= | $\frac{1}{5}$+$\frac{3}{5}$= |
| 125÷5= | 660÷6= | 50×80= | 10-4.08= | 25×24= |