2m+3n+2m+3n+m+2m+3n+n=______

来源:学生作业帮助网 编辑:作业帮 时间:2019/11/20 14:06:46
2m+3n+2m+3n+m+2m+3n+n=______2m+3n+2m+3n+m+2m+3n+n=______2m+3n+2m+3n+m+2m+3n+n=______7m+10n有3个2m+m和3个

2m+3n+2m+3n+m+2m+3n+n=______
2m+3n+2m+3n+m+2m+3n+n=______

2m+3n+2m+3n+m+2m+3n+n=______
7m+10n

有3个2m+m和3个3m+m所以7m+10n