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(a+2b)(a² -2ab + ....) = .... + 8b3
(a- b)(... + ab+ b2)= a3- .....
27x³ + ... = (.... + y)(9... - 3ху+у²)
(a+2b)(a² -2ab + ....) = .... + 8b3
(a- b)(... + ab+ b2)= a3- .....
27x³ + ... = (.... + y)(9... - 3ху+у²)
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Ответ:
(a+2b)(a² -2ab + 2b²) = a³+ 8b³
(a- b)(a²+ ab+ b2)= a3- b³
27x³ + ... = (3x+ y)(9x². - 3ху+у²)