简算33^2乘以9-16乘以22^2

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简算33^2乘以9-16乘以22^2
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简算33^2乘以9-16乘以22^2
简算33^2乘以9-16乘以22^2

简算33^2乘以9-16乘以22^2
=(33*3+4*22)(33*3-4*22)
=11*(9+8)*11*(9-8)
=11*17*11
=2057

33^2乘以9-16乘以22^2
=(99^2-88^2)
=(99+88)(99-88)
=11*(9+8)*11
=121*17
=2057