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

Toán Lớp 6: ( 3 11 ​ + 11 57 ​ )+( 11 −79 ​ + 3 −2 ​ )

Toán Lớp 6: ( 3 11 ​ + 11 57 ​ )+( 11 −79 ​ + 3 −2 ​ )

Comments ( 2 )

  1. (3/11 + 11/57) + (11/-79 + 3/-2)
    = 171/627 + 121/627 + 11/-79 + 3/-2
    = 292/627 + 11/-79 + 3/-2
    = 292/627 – 11/79 + 3/-2
    = 23068/49533 – 6897/49533 + 3/-2
    = 16171/49533 + 3/-2
    = 16171/49533 – 3/2
    = 32342/99066 – 148599/99066
    = -116257/99066
    Cho mình xin hay nhất nha bạn!!!!
    @Drew Mclntyre

  2. (3/11+11/57)+(11/(−79)+3/(−2))
    =171/627+121/627+11/(−79)+3/(−2)
    =292/627+11/(−79)+3/(−2)
    =23068/49533−6897/49533+3/(−2)
    =16171/49533+3/(−2)
    =32342/99066−148599/99066
    =−116257/99066
     

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

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