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ggezzzz
08.04.2022 10:35
Математика
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Разложите на множители a-3b+9b^2-a^2

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Мэйбл123456789
Мэйбл123456789
4,8(85 оценок)
A-3b+9b²-a² = (3b-a)*(3b+-a)  = (3b-a)*(3b+a-1)
oiopiha
oiopiha
4,6(59 оценок)
1)the teacher asked nina if she lived far from the school. 2)ann told harry not to take her ruler and use his one 3)my friend asked me if i had finished reading his book 4)my mother asked me why i was looking pale and what the matter was. 5)he asked me to speak more slowly because he couldn't understand

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