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

Toán Lớp 6: rút gọn phân số: 3^5.2^4/8.3^6

Toán Lớp 6: rút gọn phân số:
3^5.2^4/8.3^6

Comments ( 2 )

  1. ( 3^5 . 2^4 ) / (8 . 3^6)
    = ( 3^5 . 2^4 ) / (2^3 . 3^6)
    = 2/3

  2. {3^5 . 2^4}/{8 . 3^6}
    = {3^5 . 2^4}/{2^3 . 3^6}
    = {2^(4 – 3)}/{3^(6 – 5)}
    = 2/3
    #dtkc

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

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