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

Toán Lớp 6: a) Ư(7); Ư(18); Ư(10) b) B(3); B(12); B(9)

Toán Lớp 6: a) Ư(7); Ư(18); Ư(10)
b) B(3); B(12); B(9)

Comments ( 2 )

  1. Answer
    a,
    Ư(7) = {1 ; 7}
    Ư(18) = {1 ; 2 ; 3 ; 6 ; 9 ; 18}
    Ư(10) = {1 ; 2 ; 5 ; 10}
    __________________
    b,
    B(3) = {0 ; 3 ; 6 ; 9 ;…}
    B(12) = {0 ; 12 ; 24 ; 36 ; …}
    B(9) = {0 ; 9 ; 18 ; 27 ; …}
     

  2. a)Ư(7)={1;7}
    Ư(18)={1;2;3;6;9;18}
    Ư(10)={1;2;5;10}
    b)B(3)={1;3}
    B(12)={1;2;3;4;6;12}
    B(9)={1;3;9}
     

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