2134-835+66-265的简便算法
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/25 20:08:09
2134-835+66-265的简便算法
![2134-835+66-265的简便算法](/uploads/image/z/1810288-64-8.jpg?t=2134-835%2B66-265%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
你好:
2134-835+66-265
=2134+66-835-265
=(2134+66)-(835+265)
=2200-1100
=1100
2134-835+66-265
=2134+66-835-265
=(2134+66)-(835+265)
=2200-1100
=1100