若3≤x≤4,则|x-4|-√(x-3)的平方=
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若3≤x≤4,则|x-4|-√(x-3)的平方=
若3≤x≤4,则|x-4|-√(x-3)的平方=
若3≤x≤4,则|x-4|-√(x-3)的平方=
若3≤x≤4,则|x-4|-√(x-3)的平方=(4-x)-(x-3)
=4-x-x+3
=7-2x
若3≤x≤4,则|x-4|-√(x-3)的平方=
若4x²-4x-3≤0,求√(4x²+4x+1)+√(4x²-12x+9)的值
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