6÷ = | 2- = | ÷ = | 1- + = |
+ = | 10÷10%= | 14× = | ×4÷ ×4= |
解:6÷ =8, | 2- = , | ÷ = , | 1- + = , |
+ = , | 10÷10%=100, | 14× =6, | ×4÷ ×4=16. |
分析:1-
+
,从左往右按顺序计算;把
×4÷
×4改写成
÷
×4×4,从而简算;其它算式按照分数四则运算的方法计算即可.
点评:此题考查学生快速计算的能力,要注意看清运算符号,根据数据的特点,选用自己喜欢的方法计算.
编辑:chaxungu时间:2026-04-27 09:51:25分类:小学数学题库
6÷ = | 2- = | ÷ = | 1- + = |
+ = | 10÷10%= | 14× = | ×4÷ ×4= |
解:6÷ =8, | 2- = , | ÷ = , | 1- + = , |
+ = , | 10÷10%=100, | 14× =6, | ×4÷ ×4=16. |
+
,从左往右按顺序计算;
×4÷
×4改写成
÷
×4×4,从而简算;