题目内容
直接写出得数 0.56÷0.7= |
0.96÷0.24= |
3.1×0.3= |
0.16×2= |
0.75÷0.15= |
0.24÷0.6= | 0.04×0.2= | 0.8×0.05= | 0.63÷7= | 23÷0.46= |
2.1×4= | 3.2×0.3= | 1.21÷1.1= | 0.84÷0.28= | 2.5×4= |
0.45×0.2= | 2.1÷3= | 6.4÷8= | 1.25×0.8= | 4×0.25= |
分析:根据小数乘除法的计算方法进行计算即可.
解答:解:
0.56÷0.7=0.8, | 0.96÷0.24=4, |
3.1×0.3=0.93, |
0.16×2=0.32, |
0.75÷0.15=5, |
0.24÷0.6=0.4, | 0.04×0.2=0.008, | 0.8×0.05=0.04, | 0.63÷7=0.09, | 23÷0.46=50, |
2.1×4=8.4, | 3.2×0.3=0.96, | 1.21÷1.1=1.1, | 0.84÷0.28=3, | 2.5×4=10, |
0.45×0.2=0.09, | 2.1÷3=0.7, | 6.4÷8=0.8, | 1.25×0.8=1, | 4×0.25=1. |
点评:小数乘除法的口算,不但要注意运算符号和数据,还要注意小数点的位置.
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