Mathematics
         
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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation (-sqrt3)^2+2*sqrt3*(-sqrt3)-1 .
    Question type: Mathematical calculation
    Solution:
          (-sqrt3)^2+2*sqrt3*(-sqrt3)-1
        =-1.732051^2+2*sqrt3*(-sqrt3)-1
        =-1.732051^2+2*sqrt3*(-1.732051)-1
        =-1.732051^2+2*1.732051*-1.732051-1
        =3.000000666601+2*1.732051*(-1.732051)-1
        =3.000000666601+3.464102*(-1.732051)-1
        =3.000000666601+(-6.000001)-1
        =-3-1
        =-4

    Answer:(-sqrt3)^2+2*sqrt3*(-sqrt3)-1=-4


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