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MrsBadPerson
@MrsBadPerson
August 2022
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Упростите выражение A+B+C,если А=2a^2-3аb+4b^2 , B=3a^2+4ab-b^2 , C=a^2+2ab+3b^2.
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Dимасuk
Verified answer
A + B + C = 2a² - 3ab + 4b² + 3a² + 4ab - b² + a² + 2ab + 3b² = 6a² + 3ab + 6b²
2 votes
Thanks 3
nina209
А+В+С=2а^2-3ав+4в^2+3а^2+4ав-в^2+а^2+2ав+3в^2=6а^2+3ав+6в^2=3(2а^2+ав+2в^2)
1 votes
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Verified answer
A + B + C = 2a² - 3ab + 4b² + 3a² + 4ab - b² + a² + 2ab + 3b² = 6a² + 3ab + 6b²