化简3(m+1)^2-5(m-1)(m+1)+2m(m-1),其中m=3

已知m＞4,化简|m-4|+|7-2m|+|m×m-2m+1|-|m×m-2m-3| [2m-1]²+5m[m-1]-[3m+1][3m-1] 化简 3(m+1)平方-5(m+1)(m-1)+2m(m-1)化简,求值 化简：(m-1)+2(m²-3m)-(2-m+5m²) 化简|6-m|-|2m+1|+|m+5| (m m*m-5m-1=0则2m*m-5m+1/m*m 化简3(m+1)^2-5(m-1)(m+1)+2m(m-1),其中m=3 化简,:3(m-1)^2+(m+2)(m^2-2m+4)-m(m^2+3m-3) 已知m>4,化简:|m-4|+|7-2m|+|m^2-2m+1|-|m^2-2m-3| 化简|m|+|m-1|+|m-2| 当m=1/2时,求15m²-9-{-4m²+[5m-8m²-(2m²-m)+9m²]-3m} [(m-3)/(m+5)]^2+[(4-2m)/(m+5)]^2=1,求m 当m= 时,2m(3m-5)+3m(1-2m)=14 3(m+1)-5（m+1）（m-1）+2（m-1）,化简.其中m=5 若m+2＞3.-1/3m＜5,化简|m+2|-|1-m|+|m|得（）. 化简:m+|(1+m^2-2m)/(m-1)| 化简 |m|+| (2+m-m^2) 除以(m+1) | 化简 |m|+| (2+m-m^2) 除以(m+1) |