如果m-3n+4=0 求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3
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如果m-3n+4=0求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3如果m-3n+4=0求(m-3n)^2+7m^3-3(2m^3n
如果m-3n+4=0 求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3
如果m-3n+4=0 求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3
如果m-3n+4=0 求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3
如果m-3n+4=0
m-3n=-4
(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3
=(m-3n)^2-6m^3n+3m^2n+3+3m^3+6m^3n-3m^2n+3n－m-3m^3
=(m-3n)^2+3+3n－m
=(m-3n)^2+3-(m-3n)
=(-4)^2+3-(-4)
=16+3+4
=23
如果m-3n+4=0 求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n
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如果m-3n+4=0 求(m-3n)^2+7m^3-3(2m^3n-m^2n-1)+3(m^3+2m^3n-m^2n+n)－m-10m∧3
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