| 直接写出得数: 40×70= | + = | - = | 3600÷18= | 3.14×9= |
| 0.25×4= | 5.4-3 = | + - + = |
| 40×70=2800, | + = , | - = , | 3600÷18=200, | 3.14×9=28.26, |
| 0.25×4=1, | 5.4-3 =2.2, | + - + = . |
,
,200,28.26,1,2.2,
.分析:本题根据整数、分数、小数的加法、减法、乘法、除法的运算法则计算即可.
点评:完成本题要注意分析式中数据,然后快速准确得出答案.
编辑:chaxungu时间:2026-04-26 08:43:05分类:小学数学题库
| 直接写出得数: 40×70= | + = | - = | 3600÷18= | 3.14×9= |
| 0.25×4= | 5.4-3 = | + - + = |
| 40×70=2800, | + = , | - = , | 3600÷18=200, | 3.14×9=28.26, |
| 0.25×4=1, | 5.4-3 =2.2, | + - + = . |
,
,200,28.26,1,2.2,
.