题目内容
| 0.62-0.32= |
9.8×0.5×2= |
0.25×4= | ||||||
| 9.46×10= |
12÷0.6= |
| ||||||
| 2.4-0.6= |
0.4×0.5= |
1÷0.25= | ||||||
|
9.6÷0.2= |
0.56÷0.8= | ||||||
| 9.13×0= |
53.4÷10= |
8.5+1.8= | ||||||
| 0.36÷0.4= |
60×0.8= |
1÷0.25= |
分析：根据小数、分数加、减、乘、除法的计算法则，直接进行口算即可．
解答：解：
故答案为：0.3； 9.8； 1； 94.6； 20；
；1.8； 0.2； 4；
48； 0.7； 0； 5.34；10.3；0.9； 48； 4．
| 0.62-0.32=0.3； | 9.8×0.5×2=9.8； | 0.25×4=1； | ||||||||
| 9.46×10=94.6； | 12÷0.6=20； |
| ||||||||
| 2.4-0.6=1.8； | 0.4×0.5=0.2； | 1÷0.25=4； | ||||||||
|
9.6÷0.2=48； | 0.56÷0.8=0.7； | ||||||||
| 9.13×0=0； | 53.4÷10=5.34； | 8.5+1.8=10.3； | ||||||||
| 0.36÷0.4=0.9； | 60×0.8=48； | 1÷0.25=4． |
| 7 |
| 30 |
| 3 |
| 8 |
点评：此题考查的目的是理解掌握小数、分数四则运算的计算法则，并且能够正确熟练地进行口算，提高口算能力．
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