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

Toán Lớp 6: `(2^3 . 9^3 . 9^2 . 45)/(9^2 . 15 . 2 . 9^2)`

Toán Lớp 6: (2^3 . 9^3 . 9^2 . 45)/(9^2 . 15 . 2 . 9^2)

Comments ( 2 )

  1. (2^3. 9^3. 9^2. 45)/(9^2. 15. 2. 9^2)
    =(2^3. 3^6. 3^4. 5. 3^2)/(3^4. 3. 5. 2. 3^4)
    =(2^3. 3^12. 5)/(3^9. 2. 5)
    =(2^2. 3^3)/1
    =4. 27=108
     

  2.    (2^3 .9^3 .9^2 .45)/(9^2 .15 .2 .9^2)
    = (2 .2^2 .9^2 .9 .9^2 .15 .3)/(2 .9^2 .9^2 .15)
    = (2^2 .9 .3)/1
    = 108

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