2m^4×m^2+5m×m^5求算出正确答案,
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2m^4×m^2+5m×m^5求算出正确答案,2m^4×m^2+5m×m^5求算出正确答案,2m^4×m^2+5m×m^5求算出正确答案,2m^4×m^2+5m×m^5=2m^(2+4)+5m^(1+
2m^4×m^2+5m×m^5求算出正确答案,
2m^4×m^2+5m×m^5
求算出正确答案,
2m^4×m^2+5m×m^5求算出正确答案,
2m^4×m^2+5m×m^5
=2m^(2+4)+5m^(1+5)
=2m^6+5m^6
=(2+5)m^6
=7m^6
解
2m^4×m^2+5m×m^5
=2m^6+5m^6
=7m^6
计算：（m+3m+5m+...+2009m)-(2m+4m+6m+...+2008m)
(m+3m+5m+...+2009m)-(2m+4m+6m+...2008m)
(m+3m+5m+...+2014m)-(2m+4m+6m+...+2013m)
(m+3m+5m+...+2013m)-(2m+4m+6m+...+2012m)
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=
计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m)
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(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
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合并同类项m-2m+3m-4m+5m-.+2011m-2012m
m+3m+5m+...+2011m-2m-4m-...-2010m等于多少?
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(m+3m+5m+7m+.+2009m)-(2m-4m-6m-.-2008m)=?
(m+3m+5m+7m+.+2011m)-(2m+4m+6m+.+2010m) 要说理由!
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