Автор - nastyarashkevich06

Прошу помогите!!!!


а) - 9y * (-⅔-x y^2)
б) - 0,4x^2 y * 5y^3 x^4

Ответ

Автор - wieslawlozickip5w1nd

a) a) -9y*(-2/3-xy²)=6y+9xy³

b)-0,4x²y*5y³x^4=-2x^6y^5


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