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24, AF:FB=2 : 3, BD:DC-5: 2, CE: EA=3 : 4, GADEF ZEL, AG=xAB+yAC, 則(x,y)= FI B B F 213 4 E G 3 5 D 2

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✨ Jawaban Terbaik ✨

AF=2/5 AB
AE=4/7 AC
AD=2/7 AB+5/7 AC
AG=1/3 AF+1/3 AE +1/3 AD=8/35 AB+3/7 AC

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