734-398用简便算法怎么算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 13:14:52
![734-398用简便算法怎么算](/uploads/image/z/1083681-9-1.jpg?t=734-398%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E6%80%8E%E4%B9%88%E7%AE%97)
734-398用简便算法怎么算
734-398用简便算法怎么算
734-398用简便算法怎么算
734-398
=734-(400-2)
=734-400+2
=334+2
=336
734-398
=734+2-400
=336
734-400+2
734-398
=734-(400-2)
=734+2-400
=336
734-398
=734-(400-2)
=734-400+2
=334+2
=336
734-398-2+2=734-400+2=334-2=332
734-(400-2)=734-400+2=334+2=336
734-398=(730+4)-(400-2)=730-400+4+2=336