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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: E = (3+1) x (3^2 +1) x (3^4 +1) x (3^8 +1) x (3^16 +1)

Toán Lớp 6: E = (3+1) x (3^2 +1) x (3^4 +1) x (3^8 +1) x (3^16 +1)

Comments ( 2 )

  1. Giải đáp:
    E=(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
    =>E=((3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1))/2
    =>E=((3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1))/2
    =>E=((3^4-1)(3^4+1)(3^8+1)(3^16+1))/2
    =>E=((3^8-1)(3^8+1)(3^16+1))/2
    =>E=((3^16-1)(3^16+1))/2
    =>E=(3^32-1)/2.
     

  2. Giải đáp:
    ↓↓
    Lời giải và giải thích chi tiết:
    E=(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
    =>E=((3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1))/2
    =>E=((3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1))/2
    =>E=((3^4-1)(3^4+1)(3^8+1)(3^16+1))/2
    =>E=((3^8-1)(3^8+1)(3^16+1))/2
    =>E=((3^16-1)(3^16+1))/2
    =>E=(3^32-1)/2.

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222-9+11+12:2*14+14 = ? ( )