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

Toán Lớp 6: (2^15. 13+2^15. 65)/(2^12. 104)

Toán Lớp 6: (2^15. 13+2^15. 65)/(2^12. 104)

Comments ( 2 )

  1. (2^15. 13+2^15. 65)/(2^12. 104)
    = (2^15. 13+2^15. 13. 5)/(2^12. 13. 8)
    = (2^15. 13. (1 + 5))/(2^12. 13. 8)
    = (2^15. 13. 2. 3)/(2^12. 13. 2. 4)
    = (2^3. 3)/4
    = 6
     

  2. \frac{2^15 . 13 + 2^15 . 65}{2^12 . 104}
    = \frac{2^15 . ( 13 + 65)}{2^12 . 104}
    = \frac{2^15 .  78}{2^12 . 104}
    = \frac{2^3 . 78}{1 . 104}
    = \frac{8 . 78}{104}
    = 624/104
    = 6

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

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