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

Toán Lớp 6: Tìm: A.Ước chung lớn nhất(³⁰,¹⁵⁰,²⁰⁰) B.Uớc chung (³⁰,¹⁵⁰,²⁰⁰)

Toán Lớp 6: Tìm:
A.Ước chung lớn nhất(³⁰,¹⁵⁰,²⁰⁰)
B.Uớc chung (³⁰,¹⁵⁰,²⁰⁰)

Comments ( 3 )

  1. A.$ƯCLN_{30,150,200}$
    Ta có : 30 = 2 . 3 . 5
              150 = 2 . 3 . 5^2
             200 = 2^3 . 5^2
    => $ƯCLN_{30,150,200}$ = 2 . 5 = 10
    B. $ƯC_{30,150,200}$ = { 1 , 2 , 5 ,10}
    Vậy $ƯCLN_{30,150,200}$ = 10
    $ƯC_{30,150,200}$ = {1,2,5,10}

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