3(m+1)^2-5(m+1)(m-1)+2(m-1)^2,其中m=5 求完全平方公式解答
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m*m-5m-1=0则2m*m-5m+1/m*m
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化简:(m-1)+2(m²-3m)-(2-m+5m²)
m(m+1)(m+2)(m+3)+1?
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1/m(m+1)+1/(m+1)(m+2)+1/(m+2)(m+3)+.+1/(m+9)(m+10)
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若多项式5x*x-2mxy-3y*y+4xy-3x+1中不含xy项,求(-(m*m*m)+2(m*m)-m+1)-(m*m*m+2m*m-m+4)
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