(1-3m)/2-(2m+5)/3+(3-2m)/4 m=1/10

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/14 06:35:34

(1-3m)/2-(2m+5)/3+(3-2m)/4 m=1/10
先化简再求值(1-3m)/2-(2m+5)/3+(3-2m)/4其中 m=1/10

先化简再求值(1-3m)/2-(2m+5)/3+(3-2m)/4其中 m=1/10
=(6-18m)/12-(8m+20)/12+(9-6m)/12
=(6-18m-8m-20+9-6m)/12
=(-32m-5)/12
=-(32×1/10+5)/12
=-8.2/12
=-82/120
=-41/60;
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(1m+3m+5m+...+2009m)-(2m+4m+6m+...=2008m) m-2m-3m+4m-5m-6m+7m.2004m=? (m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=? (m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)= 已知m＞4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3| (m+3m+5m+7m+.+2009m)-(2m-4m-6m-.-2008m)=? (m+3m+5m+.+2008m)-(2m+4m+6m+.+2009m) (m+3m+5m+...+2009m)-(2m+4m+6m+...2008m) 计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m) (m+3m+5m+...+2013m)-(2m+4m+6m+...+2012m) (m+3m+5m+...+2014m)-(2m+4m+6m+...+2013m) (1)M^2+M-3M^2-5M+2M^2+4=?(M=-3/4)