| 直接写出得数. 33÷1.1= | 0.1×0.03= | 12×( - )= | 0.25×1.36×4= |
2- = | 1÷ = | ×26= | 12÷ ×0= |
| 解:33÷1.1=30, | 0.1×0.03=0.003, | 12×( - )=1, | 0.25×1.36×4=1.36, |
2- =1 , | 1÷ = , | ×26=12, | 12÷ ×0=0. |
分析:0.1×0.03把0.03的小数点向左移动一位即可;12×(
-
)运用乘法分配律简算;0.25×1.36×4运用乘法交换律简算;12÷
×0根据任何数乘0都得0来计算;其它题目根据运算法则直接求解.点评:完成本题要注意分析式中数据,运用合适的简便方法计算.
=
=
×26=
,
,