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Romanovna1593
@Romanovna1593
July 2022
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29^2-28^2
найдите используя формулу разности квадратов
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wejde
Verified answer
29²-28²=(29-28)(29+28)=1*57=
57
2 votes
Thanks 3
Stasushechka
A^2 - b^2 = (a + b)(a - b)
29^2 - 28^2 = (29 + 28)(29 - 28) = 57 × 1 = 57
3 votes
Thanks 3
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Answers & Comments
Verified answer
29²-28²=(29-28)(29+28)=1*57=5729^2 - 28^2 = (29 + 28)(29 - 28) = 57 × 1 = 57