5．口算
0 159279 159287 159293 159297 159303 159305 159309 159315 159317 159323 159329 159333 159335 159339 159345 159347 159353 159357 159359 159363 159365 159369 159371 159373 159374 159375 159377 159378 159379 159381 159383 159387 159389 159393 159395 159399 159405 159407 159413 159417 159419 159423 159429 159435 159437 159443 159447 159449 159455 159459 159465 159473 199269
| 0.36÷9= | 3.97-2.45= | 16×25= | 5.2+3.8= | 8.282÷8.2= |
| 10-0.87= | 4.3+1.8= | 18.9-9.8= | 0.8÷0.1= | 0.3+0.36= |
| 1.14×0.2= | 7.8÷3= | 0.8×15= | 0.125×8= | 4-1.08= |
| 9×1.8= | 1.2×8= | 7.82+1.18= | 30.5÷2= | 1.8×0.2= |
| 0.75÷30= | 0.25×3= | 4.8+1.2= | 0.5×48= | 0.7×7= |
| 1.1×9= | 25×0.8= | 3.2×5= | 3×1.2= | 2.04×4= |
| 0.72+2.8= | 0×3.97= | 0.13×80= | 18×30= | 50×4.1= |
| 0.125×2= | 6×0.75= | 1.01-0.89= | 9.767×0= | 0.02×0.3= |
| 3.9÷5= | 1÷0.125= | 70÷5= | 0÷9.126= | 0.72= |
| 16.5÷0.15= | 7÷1.4= | 1.21÷11= | 0.84÷0.42= | 0.7×0.9= |
| 0.3×400= | 5.1÷0.3= | 8.3+1.7= | 4.9÷0.7= | 0.3+0.3+0.3= |
| 0.81÷0.9×5= | （0.9+8.1）×5= | 0.32= | 9.3÷（4.2-1.1）= | 1.7×0.6÷1.7= |