+ = | 50×2= | - = | 700×5= | 850-650= |
1- = | 33÷8= | 34×2= | + = | 205×3= |
+ =![]() | 50×2=100 | - =![]() | 700×5=3500 | 850-650=200 |
1- =![]() | 33÷8=4…1 | 34×2=68 | + =1 | 205×3=615 |
分析:根据分数和整数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步解答即可.
编辑:chaxungu时间:2026-04-27 08:21:33分类:小学数学题库
+ = | 50×2= | - = | 700×5= | 850-650= |
1- = | 33÷8= | 34×2= | + = | 205×3= |
+ =![]() | 50×2=100 | - =![]() | 700×5=3500 | 850-650=200 |
1- =![]() | 33÷8=4…1 | 34×2=68 | + =1 | 205×3=615 |