| 0.24×5= | × = | 0.3÷6= | 1.25×0.7×8= |
2÷ = | 6- = | ÷ = | 5-0.25-0.75= |
| 0.24×5=1.2, | × = , | 0.3÷6=0.05, | 1.25×0.7×8=7, |
2÷ =16, | 6- =2 , | ÷ =2, | 5-0.25-0.75=4. |
,0.05,7,16,2
,2,4.分析:本题根据小数、分数的加法、减法、乘法与除法的运算法则计算即可.
1.25×0.7×8可根据乘法交换律计算;
5-0.25-0.75可根据一个数减两个数,等于用这个数减去这两个数的和的减法性质计算.
点评:完成此类题目要注意分析式中数据的特点,能简便计算的要简便计算.
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