| 直接写得数. 4+3.6= | 8-1.37= | 1.25×8= | 30×0.5= | 1÷ = |
+ = | 0.48÷6= | 10÷ = | × = | ÷3= |
| 26÷0.13= | 6- = | ÷ = | - = | ×0.6= |
| 9.04÷0.1= |
| 解:4+3.6=7.6, | 8-1.37=6.63, | 1.25×8=10, | 30×0.5=15, | 1÷ = , |
+ = , | 0.48÷6=0.08, | 10÷ =25, | × = , | ÷3= , |
| 26÷0.13=200, | 6- =5 , | ÷ = , | - = , | ×0.6= , |
| 9.04÷0.1=90.4. |
分析:根据小数和分数加减乘除的计算方法进行计算即可.
点评:口算时,要看清数据和运算符号,然后再进一步计算即可.
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