· 2011-12-17 · 73 7 2554 8.30 - 11.30 u. .enlets 4. mniijåùtnasauumna 20 ôïan¥u 50 p 370...
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- · 2011-12-17 · 73 7 2554 8.30 - 11.30 u. .eNlETS 4. mniiJåùtnasauumna 20 ôïan¥u 50 P 370 10 (sin 370 = 0.6) 2. 3. 4. 300 N 240 N 210 200 N 120 N
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