题目内容
直接写得数: 0.06×0.25= |
0.8×1.25= | 10-0.01= | 8.1÷0.03= |
3×0.2×0.5= | 0.25×16= | 0.35÷0.7= | 8.4÷0.2+1.6×0.21= |
7.2×0.3+2.8×0.3= | 1.2×0.4+1.3×0.4= |
分析:本题根据小数乘法、除法、加法与减法的运算法则计算即可.
3×0.2×0.5可根据乘法结合律计算;
0.25×16可将16拆分为4×4计算;
3×0.2×0.5可根据乘法结合律计算;
0.25×16可将16拆分为4×4计算;
7.2×0.3+2.8×0.3、1.2×0.4+1.3×0.4可根据乘法分配律计算. |
解答:解:
故答案为:0.015,1,9.99,270,0.3,4,0.5,42.336,3,1.
0.06×0.25=0.015, | 0.8×1.25=1, | 10-0.01=9.99, | 8.1÷0.03=270, |
3×0.2×0.5=0.3, | 0.25×16=4, | 0.35÷0.7=0.5, | 8.4÷0.2+1.6×0.21=42.336, |
7.2×0.3+2.8×0.3=3, | 1.2×0.4+1.3×0.4=1. |
点评:完成本题要细心分析题目中的数据,能简便计算的要简便计算.
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