Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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SocolfFluro
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Äëÿ èçãîòîâëåíèÿ äâåðåé è îêîí íåîáõîäèìî â ïåðâóþ î÷åðåäü îçíàêîìèòüñÿ ñ ÃÎÑÒ íà îêíà ÏÂÕ.  íîðìàòèâå îïèñàíû ãëàâíûå òðåáîâàíèÿ ê îêîííûì áëîêàì.

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