题目内容
直接写得数: 0.8÷0.04= |
0.93×0.1= | 1.72-0.7= | 0.076+0.36= |
2.5×4= | 5×0.05= | 3.2÷4= | 0.39÷0.03= |
57+2.3= | 0.6-0.52= | 72÷0.9= | 3.2÷0.08= |
0.45×0.1= | 0.2×11= | 8×0.9= | 3.6÷2= |
2÷0.02= | 0.6+1.3= | 8.9-5= | 2+0.78= |
分析:根据小数的加、减、乘或除法的计算规则进行计算,即可得解.
解答:解:
0.8÷0.04=20 | 0.93×0.1=0.093 | 1.72-0.7=1.02 | 0.076+0.36=0.436 |
2.5×4=10 | 5×0.05=0.25 | 3.2÷4=0.8 | 0.39÷0.03=13 |
57+2.3=59.3 | 0.6-0.52=0.08 | 72÷0.9=80 | 3.2÷0.08=40 |
0.45×0.1=0.045 | 0.2×11=2.2 | 8×0.9=7.2 | 3.6÷2=1.8 |
2÷0.02=100 | 0.6+1.3=1.9 | 8.9-5=3.9 | 2+0.78=2.78 |
点评:本题考查了简单的小数计算,计算时要细心,注意小数的位数.
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