2m^2-5m+1/m^2 怎么等于(m^2-5M)+m^2+1/m^2
问题描述:
2m^2-5m+1/m^2 怎么等于(m^2-5M)+m^2+1/m^2
答
2m^2-5m+1/m^2 中把2m^2=m^2+m^2,移项后就是(m^2-5m)+m^2+1/m^2
2m^2-5m+1/m^2 怎么等于(m^2-5M)+m^2+1/m^2
2m^2-5m+1/m^2 中把2m^2=m^2+m^2,移项后就是(m^2-5m)+m^2+1/m^2