Ответ:
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1. 0,2x * 14y^2z * 25x^7z^5 = 70x^8y^2z^6
2. 4mn^2 * 12m^4n^9 * (-9m) = -432m^6n^11
3. -2/3ab^2c * 0,9a^3b^4 * 15ac^3 = -9a^5b^6c^4
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Answers & Comments
Ответ:
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1. 0,2x * 14y^2z * 25x^7z^5 = 70x^8y^2z^6
2. 4mn^2 * 12m^4n^9 * (-9m) = -432m^6n^11
3. -2/3ab^2c * 0,9a^3b^4 * 15ac^3 = -9a^5b^6c^4
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