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87029089450
@87029089450
September 2021
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Помогите нужно сейчас срочно даю 20 балоов!!!!!!!!!!!!!!!!!!!!!!
(2m-3n)^3
(4a+1/3b)^3
(2x-1/2y)^3
(2/3x-3y)^3
(1/3m+1/2n)^3
^-это степень
/ это дробь( например одна четвертая )
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Kalimbet
1)= 8m^3 - 3m^2n + 3mn^2 - n^3
2) = 64a^3+3*16a^21/3b+3*4a1/9b^2+1/27b^3
раскрываете по формуле (a+b)^3 = a^3+3a^2b+3ab^2+b^3
(a-b)^3 = a^3-3a^2b+3ab^2-b^3
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Answers & Comments
2) = 64a^3+3*16a^21/3b+3*4a1/9b^2+1/27b^3
раскрываете по формуле (a+b)^3 = a^3+3a^2b+3ab^2+b^3
(a-b)^3 = a^3-3a^2b+3ab^2-b^3