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

Toán Lớp 6: 2.169.12-3.68-24. Mong làm đc

Toán Lớp 6: 2.169.12-3.68-24. Mong làm đc

Comments ( 2 )

  1. ~ Bạn tham khảo ~
    2 . 169 . 12 – 3 . 68 – 24
    = 2 . 12 . 169 – 3 . 8 . 8,5 – 24 . 1
    = 24 . 169 – 24 . 8,5 – 24 . 1
    = 24 . ( 169 – 8,5 -1 )
    = 24 .  159,5
    = 3828
     

  2. 2 . 169 . 12 – 3 . 68 – 24
    = 24 . 169 – 3 . 8 . 8,5 – 24
    = 24 . 169 – 24 . 8,5 – 24
    = 24(169 – 8,5 – 1)
    = 24 . 159,5
    = 3828

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