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

Toán Lớp 6: UCLN ( 300;280 ) BCNN ( 300;280)

Home/ Toán Lớp 6: UCLN ( 300;280 ) BCNN ( 300;280)

Toán Lớp 6: UCLN ( 300;280 ) BCNN ( 300;280)

Tháng Ba 26, 2022 Toán học 1 Comment 0 views

Toán Lớp 6: UCLN ( 300;280 )
BCNN ( 300;280)

Comments ( 1 )

  1. baoquyen
    baoquyen
    26 Tháng Ba, 2022 at 8:21 chiều
    Reply
    Giải đáp:
    a, 300 = 2^2 . 3 . 5^2
    280 = 2^3 . 5 . 7
    -> UCLN_(300,280) = 2^2 . 3 . 5 = 60
    -> BCNN_(300,280) = 2^3 . 5^2 . 3 . 7 = 4200

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

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