15．直接写出得数．
| 12.5÷2.5= | 36×3= | 2.4×0.5= | 12.8÷0.2= |
| 7.5×0.4= | 10÷2.5= | 0.375÷1.25= | 3.2×0.4= |
| 9.6÷0.8÷3= | 2.7×1.32+1.32×7.3= |
14．在表格中填入适当的数．
0 161260 161268 161274 161278 161284 161286 161290 161296 161298 161304 161310 161314 161316 161320 161326 161328 161334 161338 161340 161344 161346 161350 161352 161354 161355 161356 161358 161359 161360 161362 161364 161368 161370 161374 161376 161380 161386 161388 161394 161398 161400 161404 161410 161416 161418 161424 161428 161430 161436 161440 161446 161454 199269
| 5 | 11 | 6 |
| 3 | 18 | 15 |
| 8 | 4 |