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math_25

Utree
May 08, 2019

 math_25

Utree

May 08, 2019
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  1. 25

  2. - -

  3. -

  4. an = (1 − 0.6)an−1 an = a1 ( 5

    2 )n−1 at = 0 ∑t i=1 a1 − ai t ཭୤཰ΑΓ ͱͳΔUͱ͓͘ ߲ͷ஋͕ ٻΊΔ਺͸ ຊॻͰ͸ѻΘͳ͍ͷͰɺ ,1*ͷܭࢉ͋Δ͍͸Ϗδωε਺ֶΛࢀর
  5. x = x1 + x2 + x3 + … +

    xn n = 1 n n ∑ k=1 xi (x1 − x)2 + (x2 − x)2 + … + (xn − x)2 n = 1 n n ∑ k=1 (xi − x)2 (x1 − x)2 + (x2 − x)2 + … + (xn − x)2 n = 1 n n ∑ k=1 (xi − x)2
  6. n ∑ i=1 (ai + bi ) = n ∑

    i=1 ai + n ∑ i=1 bi n ∑ i=1 cai = c n ∑ i=1 ai n ∑ i=1 c = nc . . .
  7. 1 ฏۉ஋ = 90 + 1 10 (9 + 1

    + 9 + 1 + 6 + 4 + 8 + 3 + 9 + 0) ɹɹɹ = 95 ௐࠪڠྗऀ ຬ଍౓ ਓ໨  ਓ໨  ਓ໨  ਓ໨  ̑ਓ໨  ̒ਓ໨  ̓ਓ໨  ̔ਓ໨  ̕ਓ໨  ̍̌ਓ໨ 
  8. 1