2^m7^m3^m / (-42)^m (m为奇数）咋做啊

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2^m*7^m*3^m/(-42)^m(m为奇数）咋做啊2^m*7^m*3^m/(-42)^m(m为奇数）咋做啊2^m*7^m*3^m/(-42)^m(m为奇数）咋做啊m是奇数所以(-42)^m=-4

2^m*7^m*3^m / (-42)^m (m为奇数）咋做啊
2^m*7^m*3^m / (-42)^m (m为奇数）
咋做啊

2^m*7^m*3^m / (-42)^m (m为奇数）咋做啊
m是奇数
所以(-42)^m=-42^m
原式=(2*7*3)^m/(-42^m)
=42^m/(-42^m)
=-1

计算:(2m*7m*3m)/(-42)m.（m为正整数）m是次方 m-2m-3m+4m-5m-6m+7m.2004m=? m-2m-3m+4m-5m-6m+7m-8m-9m+...+2002m-2003m-2004m求m的值已知m＞4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3| 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! 2m次方×7m次方×3m次方/(-42)m次方m为整数 2^m*7^m*3^m / (-42)^m (m为奇数）咋做啊计算：m-2m-3m+4m-5m-6m+7m-8m-9m+...+2002m-2003m-2004m m-2m-3m+4m-5m-6m+7m-8m-9m+.+2002m-2003m-2004m 计算m(m+7)-(m+3)(m-2). m^2-7m-3 2m+3m+5m+7m+9m+…+2003m+2005m+2007m 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)