化简并求值:(m-2)(m2+2m+4)-2m(m2-3),其中m=2.(m-2)(m^2+2m+4)-2m(m^2-3),其中m=2.
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化简并求值:(m-2)(m2+2m+4)-2m(m2-3),其中m=2.(m-2)(m^2+2m+4)-2m(m^2-3),其中m=2.
化简并求值:(m-2)(m2+2m+4)-2m(m2-3),其中m=2.
(m-2)(m^2+2m+4)-2m(m^2-3),其中m=2.
化简并求值:(m-2)(m2+2m+4)-2m(m2-3),其中m=2.(m-2)(m^2+2m+4)-2m(m^2-3),其中m=2.
(m-2)(m2+2m+4)-2m(m2-3)
=m^3-8-2m^3+6m
=-m^3+6m-8 其中m=2.
=-8+12-8
=-4