| 口算: 6.3+7= | 4.8÷0.08= | 9+0.1= | 3-0.67-0.33= |
| 0.08÷0.2= | 0.2×0.4= | 1÷0.05= | 0+2÷5= |
| 0.081×100= | 7.96×10= | 40万-13万= | 0.45+3.5+.055= |
| 1-0.1= | 0.31+0.3= | 0.72÷1.2= | 0.05×1= |
| 口算: 6.3+7= | 4.8÷0.08= | 9+0.1= | 3-0.67-0.33= |
| 0.08÷0.2= | 0.2×0.4= | 1÷0.05= | 0+2÷5= |
| 0.081×100= | 7.96×10= | 40万-13万= | 0.45+3.5+.055= |
| 1-0.1= | 0.31+0.3= | 0.72÷1.2= | 0.05×1= |