25+44-64+35怎么简便计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 20:26:52
![25+44-64+35怎么简便计算?](/uploads/image/z/1026348-60-8.jpg?t=25%2B44-64%2B35%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F)
25+44-64+35怎么简便计算?
25+44-64+35怎么简便计算?
25+44-64+35怎么简便计算?
收起 25+44-64+35
= 25+35 - (64-44)
= 60 - 20
= 40
25+44-64+35
=(25+35)-(64-44)
=60-20
=40
25+44-64+35=25+35+44-64=60+44-64=104-64=40
原式=(25+35)+(44-64)=60+(-20)=40
25+35-20=60-20=40