先化简再求值m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m其中m等于2013
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![先化简再求值m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m其中m等于2013](/uploads/image/z/1259884-28-4.jpg?t=%E5%85%88%E5%8C%96%E7%AE%80%E5%86%8D%E6%B1%82%E5%80%BCm%5E2%28m%2B3%29%2B2m%28m%5E2-1%29-%28m%5E4%2Bm%5E3-m%5E2%29%2F1%2F3m%E5%85%B6%E4%B8%ADm%E7%AD%89%E4%BA%8E2013)
先化简再求值m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m其中m等于2013
先化简再求值m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m其中m等于2013
先化简再求值m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m其中m等于2013
m^2(m+3)+2m(m^2-1)-(m^4+m^3-m^2)/1/3m
=m^3+3m^2+2m^3-2m-3(m^3+m^2-m)
=3m^3+3m^2-2m-3m^3-3m^2+3m
=m
m=2013
原式
=2013