先化简,再求值（m-1/4n)(m+1/4n)-3(m+1/4n)^2其中m=-1,n=4
先化简,再求值（m-1/4n)(m+1/4n)-3(m+1/4n)^2其中m=-1,n=4
数学人气：341 ℃时间：2020-06-12 19:48:42
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（m-1/4n)(m+1/4n)-3(m+1/4n)^2其中m=-1,n=4=m²-n²/16-3m²-3n²/16-3mn/2=-2m²-n²/4-3mn/2=-2×1-16/4-3×(-1)×4/2=-2-4+6=0很高兴为您解答,skyhunter002为您答疑解惑如果本题有什么...
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