题目内容
2+5.08= |
7.2÷0.072= |
4.3-3= |
0.75÷1.5= |
12.8-0.28= |
1.25×0.8= |
8.4×5= |
5.6-5.6÷7= |
1.05-0.95= |
2.5×4= |
2.5×2.4= |
1÷1.25÷4= |
3.6×0.7÷3.6×0.7= |
3.2-1.34-1.66= |
考点:小数的加法和减法,小数乘法,小数除法
专题:运算顺序及法则
分析:根据整数、小数四则运算的计算法则,直接进行口算即可.
解答:
故答案为:7.08,100,1.3,0.5,12.52,1,42,4.8,0.1,10,6,0.2,0.49,0.2.
解:2+5.08=7.08 | 7.2÷0.072=100 | 4.3-3=1.3 |
0.75÷1.5=0.5 | 12.8-0.28=12.52 | 1.25×0.8=1 |
8.4×5=42 | 5.6-5.6÷7=4.8 | 1.05-0.95=0.1 |
2.5×4=10 | 2.5×2.4=6 | 1÷1.25÷4=0.2 |
3.6×0.7÷3.6×0.7=0.49 | 3.2-1.34-1.66=0.2 |
点评:本题主要考查了学生小数乘除法的计算能力.注意要细心.
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