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den66enik
@den66enik
July 2022
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демонстрационный итоговый тест по алгебре 7 класс ПОМОГИТЕ
задание №9
Сократите дробь 25a^2-20ab+4b^2 ^/6b-15a - это степь / это черта дроби
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mami25366
25a^2-20ab+4b^2 ^/6b-15a =
25a
² - 20ab + 4b² (5a - 2b)² (2b - 5a)² 2b - 5a
= ------------------------- = --------------- = ---------------- = ---------------
6b - 15a 3(2b - 5a)
3(2b - 5a) 3
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Answers & Comments
25a² - 20ab + 4b² (5a - 2b)² (2b - 5a)² 2b - 5a
= ------------------------- = --------------- = ---------------- = ---------------
6b - 15a 3(2b - 5a) 3(2b - 5a) 3