6 * ³ √ 81 * ⁶ √ 81 = 6 * 3 ^ 4/3 * 3 ^ 4/6 = 6 * 3 ^ ( 4/3 + 4/6 ) = 6 * 3 ^ 12/6 =
= 6 * 3 ^ 2 = 6 * 9 = 54
Ответ 54
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17 * ⁵√ 27 * ¹⁵√ 729 = 17 * 3 ^ 3/5 * 3 ^ 6/15 = 17 * 3 ^ ( 3/5 + 6/15 ) =
= 17 * 3 ^ ( 9/15 + 6/15 ) = 17 * 3 = 51
Ответ 51