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

Toán Lớp 8: CMR : 2156^1236 chia hết cho 156

Toán Lớp 8: CMR : 2156^1236 chia hết cho 156

Comments ( 1 )

  1. Vì 2156≡0(mod 56)
    =>2156^(1236)≡0^(1236)(mod 56)
    =>2156^(1236)≡0(mod 56)
    =>2156^(1236) \vdots 56(đpcm)
    Vậy 2156^(1236) \vdots 56
     

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