Ответ
7⁶ - 7⁴= 7⁴(7²-1) = 7⁴*(49-1) = 7⁴* 48 , доказано.
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Ответ
7⁶ - 7⁴= 7⁴(7²-1) = 7⁴*(49-1) = 7⁴* 48 , доказано.