| 2.4×5= | 50×0.3= | 200×0.04= |
| 2.69-1.9= | 0.45×0.1= | 3.2÷0.1= |
| 8.11÷0.01= | 2.5×12= | 4.8×0.01= |
| 3.6×100÷0.1= | 3.6×0.5÷3.6×0.5= |
| 2.4×5=12 | 50×0.3=15 | 200×0.04=8 |
| 2.69-1.9=0.79 | 0.45×0.1=0.045 | 3.2÷0.1=32 |
| 8.11÷0.01=811 | 2.5×12=30 | 4.8×0.01=0.048 |
| 3.6×100÷0.1=3600 | 3.6×0.5÷3.6×0.5=0.25 |
分析：本题根据小数的减法、乘法与除法的运算法则计算即可．
点评：本题根据小数的乘法与除法运算法则直接计算，注意小数点的位置．