| 直接写出得数. 8.1÷0.03= | +3= | × = | 1.5×4= |
| 7.45+8.55= | 70-34= | 0.36+0.4= | 84÷7= |
| 19+24= | 0.4÷0.05= | + = | - = |
| 134-18= | 0×26= | 0.25÷0.01= | 1÷ = |
× = | 39+26= | - = | ÷ = |
×20= | 0.3÷ = | × = | 0.25×0.6= |
× = | - = | 2.5×0.4= | 1÷10%= |
| 4.8÷12%= | ÷10= |
| 8.1÷0.03=270, | +3=3 , | × = , | 1.5×4=6, |
| 7.45+8.55=16, | 70-34=36, | 0.36+0.4=0.76, | 84÷7=12, |
| 19+24=43, | 0.4÷0.05=8, | + = , | - = , |
| 134-18=116, | 0×26=0, | 0.25÷0.01=25, | 1÷ =6, |
× = , | 39+26=65, | - = , | ÷ = , |
×20= , | 0.3÷ =0.25, | × = , | 0.25×0.6=0.15, |
× = , | - = , | 2.5×0.4=1, | 1÷10%=10, |
| 4.8÷12%=40, | ÷10=0.24. |
分析:根据小数、整数、分数、百分数的加减乘除的计算方法进行计算即可.
点评:口算时,看清符号和数据,然后再进行计算即可.
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