Предмет: Алгебра, автор: ertuijbffybjgh

Вычислите , используя формулы сокращенного умножения
а) 61^2-60^2
б)73^2+2×73×27+27^2
в)113^2-2×113×13+13^2

Ответы

Автор ответа: Graver9062

а)61²-60²=(61-60)(61+60)=1*121=121
б) 73²+2*73*27+27²=(73+27)²=100²=10000
в) 113²-2*113*13+13²=(113-13)²=100²=10000

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Вычислите , используя формулы сокращенного умножения а) 61^2-60^2 б)73^2+2×73×27+27^2 в)113^2-2×113×13+13^2

Ответы

Вычислите , используя формулы сокращенного умножения
а) 61^2-60^2
б)73^2+2×73×27+27^2
в)113^2-2×113×13+13^2