9．竖式计算
| 12.7+1.03= | 2.1-0.53= | 3.07×5.2= |
| 7.32÷2.4= | 2.88÷1.8= | 13.5×40= |
3．
0 161261 161269 161275 161279 161285 161287 161291 161297 161299 161305 161311 161315 161317 161321 161327 161329 161335 161339 161341 161345 161347 161351 161353 161355 161356 161357 161359 161360 161361 161363 161365 161369 161371 161375 161377 161381 161387 161389 161395 161399 161401 161405 161411 161417 161419 161425 161429 161431 161437 161441 161447 161455 199269
| 口算 0.2+0.75= | 8-2.5= | 7.2×0.01= | 4.2÷0.01= | 8.1÷0.3= | 0.8×0.125= |
| 2.3+0.9= | 0.1-0.01= | 0.45÷0.09×5= | 1÷0.001= | 23.7÷0.01= | 1÷8= |