5m^3+9m^2+9m+7
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![5m^3+9m^2+9m+7](/uploads/image/z/9284798-38-8.jpg?t=5m%5E3%2B9m%5E2%2B9m%2B7)
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5m^3+9m^2+9m+7
5m^3+9m^2+9m+7
5m^3+9m^2+9m+7
5m^3+9m^2+9m+7=(m+1)(5m^2+4m+5)+2
因为5m^2+4m+5>=21/2,所以
(m+1)(5m^2+4m+5)+2
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求导 算出零点 再画图
m-2m-3m+4m-5m-6m+7m-8m-9m+...+2002m-2003m-2004m求m的值
计算:m-2m-3m+4m-5m-6m+7m-8m-9m+...+2002m-2003m-2004m
m-2m-3m+4m-5m-6m+7m-8m-9m+.+2002m-2003m-2004m
2m+3m+5m+7m+9m+…+2003m+2005m+2007m
3m^2-m-[7m-2(4m-5)++9m^2]
m-2m-3m+4m-5m-6m+7m.2004m=?
5m^3+9m^2+9m+7
(m-3分之5m+m+3分之2m)*m分之m^2-9
计算(3m^2)^3-7m^3【m^3-m(4m^2+1)】等于 A.7m^3+9m^4 B.7m^4+48m^6 C.-7m^2+7m^4+31m^5 D.-7m^3-28m计算(3m^2)^3-7m^3【m^3-m(4m^2+1)】等于 A.7m^3+9m^4 B.7m^4+48m^6 C.-7m^2+7m^4+31m^5 D.-7m^3-28m^5-7m^6+27m^7 正确率一定要高!
计算(m+3m+5m+7m+.+2009m)-(2m+4m+6m+.+2008m)
计算(m+3m+5m+7m+.+2013m)-(2m+4m+6m+.+2012m)
(m+3m+5m+7m+.+2009m)-(2m-4m-6m-.-2008m)=?
(m+3m+5m+7m+.+2011m)-(2m+4m+6m+.+2010m) 要说理由!
当m=1/2时,求15m²-9-{-4m²+[5m-8m²-(2m²-m)+9m²]-3m}
计算(m^2-9)/[m(m-3)+m-3]
通分m-5/m^2-9与2/3-m
通分m-5/m^2-9与2/3-m.
1/m(m+1)+1/(m+1)(m+2)+1/(m+2)(m+3)+.+1/(m+9)(m+10)