2106-297+599的简便计算怎么写
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 07:58:10
![2106-297+599的简便计算怎么写](/uploads/image/z/1243700-44-0.jpg?t=2106-297%2B599%E7%9A%84%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E6%80%8E%E4%B9%88%E5%86%99)
2106-297+599的简便计算怎么写
2106-297+599的简便计算怎么写
2106-297+599的简便计算怎么写
2106-300+3+600-1=
2106+300+2=
2408
2106-297+599
=2106-(300-3)+(600-1)
=(2106-300+600)+(3-1)
=2406+2
=2408
2106-297+599
=2106+3-3-297-1+1+599
=2106+3-(3+297)-1+(1+599)
=2108-300+600
=2408
(2100-300+600)+(6+3-1)=2408
2100+6-(300-3)+600-1=2100-300+600+6+3-1=2408