m³+2m²=m+m² m(m²+m)+m²拆开后应为m³+m²+²吧?
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/15 19:36:06
m³+2m²=m+m²m(m²+m)+m²拆开后应为m³+m²+²吧?m³+2m²=m+m²
m³+2m²=m+m² m(m²+m)+m²拆开后应为m³+m²+²吧?
m³+2m²=m+m² m(m²+m)+m²拆开后应为m³+m²+²吧?
m³+2m²=m+m² m(m²+m)+m²拆开后应为m³+m²+²吧?
对啊
m(m²+m)+m²
=m³+m²+m²
合并同类项
=m³+2m²