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duc07032001
2 năm trước
Cho a : b : c = b :c :a và a+b+c khác 0 .Chứng minh: (3a+8b+2007c)^2017= 2018^2017×a^3b^10c^2004 Giúp mik nha mik cần gấp gấp gấp gấp lắm (: là chia nha)
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