Ответ:
=-0.4x^4*0.3t^4-0.4x^4*(1.6x)=-0.12x^4t^4+0.64x^5
Объяснение:
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Ответ:
=-0.4x^4*0.3t^4-0.4x^4*(1.6x)=-0.12x^4t^4+0.64x^5
Объяснение: