Вычисли с помощью формулы(1) 55 во 2 степени-45 во 2 степени
(55)^2-(45)^2=(55+45)(55-45)=100*10=1000
55² - 45² = (55 - 45)(55 + 45) = 10 * 100 = 1000
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Verified answer
(55)^2-(45)^2=(55+45)(55-45)=100*10=1000
Verified answer
55² - 45² = (55 - 45)(55 + 45) = 10 * 100 = 1000