| 4+4.73=________ | 4 | ||
| 375÷1 | 36+0.4=________ | 5×32×2.5=________ | |
| 1÷0.9=________ | 8×(12+0.5)=________ | | |
| 35+0.4=________ | 8×(12+0.5)=________ | 4×0.8×2.5×12.5=________ | |
单位换算.
| 30cm=________m | 32.4m2=________dm2 |
| 1.25m1=________1 | 7.6t=________kg |
| 3元8角=________元 | 0.5元=________角. |