| 直接写出得数. 3× = | ÷0.5= | - = |
9÷ = | 35× = | -0.2= |
( + )×8= | ÷ - = | (1- )÷ = |
2÷ × = |
3× = , | ÷0.5= , | - = , |
9÷ =10, | 35× = , | -0.2= , |
( + )×8=5, | ÷ - = , | (1- )÷ =16, |
2÷ × =1. |
分析:(
+
)×8根据乘法分配律简算;其它题目根据运算法则直接求解.
点评:口算题目要求快速准确,能运用简算方法的要简算.
编辑:chaxungu时间:2026-04-27 12:05:58分类:小学数学题库
| 直接写出得数. 3× = | ÷0.5= | - = |
9÷ = | 35× = | -0.2= |
( + )×8= | ÷ - = | (1- )÷ = |
2÷ × = |
3× = , | ÷0.5= , | - = , |
9÷ =10, | 35× = , | -0.2= , |
( + )×8=5, | ÷ - = , | (1- )÷ =16, |
2÷ × =1. |
+
)×8根据乘法分配律简算;