Автор - DashaTA

Решите,пожалуйста, СРОЧНО

Ответ

Автор - 1Anastasia11
2 a^{3} +2a b^{2} -a( a^{2} + b^{2} -2ab)+a( b^{2} + a^{2} +2ab)-2 a^{3} =2a  b^{2} - a^{3} - ab^{2} + 2ba^{2} + ab^{2} + a^{3} + 2ba^{2} = 2ab^{2} + 2ba^{2} + 2ba^{2} =2ab*(b+a+a)=2ab*(b+2a)
    2*- frac{3}{2} *-0.25*(-0.25+2*- frac{3}{2} )=-0.75*-0.75=1.5

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