$solve : - \\ \\ (19 {}^{2} + 21 {}^{2} ) = {?}$

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Mathematics Yến Oanh 4 years 2021-07-23T20:04:38+00:00 2021-07-23T20:04:38+00:00 2 Answers 6 views 0

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Captcha* Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )

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ngochoa · Answer 1 · 2021-07-23T20:06:05+00:00

ngochoa

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2021-07-23T20:06:05+00:00 July 23, 2021 at 8:06 pm

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$\sf Q) \: 19^{2} + 21^{2} = {?}$

$\sf \to 19^{2} + 21^{2}$

$\sf \to 361 + 441$

$\sf \to 802$ is the solution.

King · Answer 2 · 2021-07-23T20:06:15+00:00

King

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2021-07-23T20:06:15+00:00 July 23, 2021 at 8:06 pm

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The answer is 802 !