| 25×24= | 4.2÷0.2= | = | 12-2 = |
= | 1.25× = | 1÷0.6= | 4 ÷2= |
| 解:25×24=600, | 4.2÷0.2=21, | = , | 12-2 =9 , |
= , | 1.25× =1, | 1÷0.6= , | 4 ÷2= . |
分析:本题根据整数、小数、分数的乘法、除法、加法、减法的运算法则计算即可.25×24可将24拆分为4×6计算.
点评:完成此类题要认真分析式中数据的特点,然后运用合适的方法计算.
编辑:chaxungu时间:2026-04-27 11:55:10分类:小学数学题库
| 25×24= | 4.2÷0.2= | = | 12-2 = |
= | 1.25× = | 1÷0.6= | 4 ÷2= |
| 解:25×24=600, | 4.2÷0.2=21, | = , | 12-2 =9 , |
= , | 1.25× =1, | 1÷0.6= , | 4 ÷2= . |