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  4. TVET CHNS,Eng,Maths
  5. 求解
TVET CHNS,Eng,Maths
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求解

50-51+40-4>100 4n>53 > B n=14 15. 一等比級數之末項為384,公比為2,和為255,則此級數共有幾項? 1115 9×1-27384 (A) 5 (C) 7 電話: (B)6 (B) 6 a₁x (D) 1-1-2) x-(-2)=253 a₁-a₁(-2) =255 :255 3 (D) 8 (48-(8) a₁-a.(-2)=165

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