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

Toán Lớp 6: Tìm số tự nhiên p: 120 chia hết p 366 chia hết p

Toán Lớp 6: Tìm số tự nhiên p:
120 chia hết p
366 chia hết p

Comments ( 2 )

  1. Theo đề, ta có: 120 chia hết p
    366 chia hết p
    => p∈ƯC(120;36)
    120=2^3.3.5
    366=2.3.61
    => 2.3=6
    =>ƯC(120;366)=Ư(6)= {1;2;3;6
    p= {1;2;3;6}

  2. 120vdotsp;366vdotsp
    =>p in ƯC(120;366)
    Ta có :
    120=2^3. 3.5
    366=2.3.61
    =>ƯCLN(120;366)=2.3=6
    =>Ư(6)=ƯC(120;366)={1;2;3;6}
    =>p={1;2;3;6}
     

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