вычислите более рациональным способом
а)33^2+2*33*47+47^2=
б)95^2-2*95*5+5^2=
в)41^2-11^2=
г)59,5^2-39,5^2=
а)33^2+2*33*47+47^2=
б)95^2-2*95*5+5^2=
в)41^2-11^2=
г)59,5^2-39,5^2=
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