| 3÷4= | 0.9÷3= | 1.5÷0.5= | 10×0.28= |
| 20÷0.4= | 1.2÷0.6= | 0.83+0.25= | 1-0.08= |
| 5χ-χ= | X+X= | 8×12.5= | 0.6×1.5= |
| 2.7+2.7= | 63÷0.9= | 0.3÷1.5= | 10÷0.2= |
| 0.95÷5= | 0×1.7= | 6÷5= | 1.8÷0.36= |
| 解:3÷4=0.75; | 0.9÷3=0.3; | 1.5÷0.5=3; | 10×0.28=2.8; |
| 20÷0.4=50; | 1.2÷0.6=2; | 0.83+0.25=1.08; | 1-0.08=0.92; |
| 5χ-χ=4x; | X+X=2x; | 8×12.5=100; | 0.6×1.5=0.9; |
| 2.7+2.7=5.4; | 63÷0.9=70; | 0.3÷1.5=0.2; | 10÷0.2=50; |
| 0.95÷5=0.19; | 0×1.7=0; | 6÷5=1.2; | 1.8÷0.36=5. |
分析:依据四则运算方法解答.
点评:本题主要考查学生对于四则运算方法的掌握.