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

Toán Lớp 6: B=108/119.107/211+108/119.104/211

Toán Lớp 6: B=108/119.107/211+108/119.104/211

Comments ( 2 )

  1. B = 108/119 . 107/211 + 108/119 . 104/211
    B = 108/119 . (107/211 + 104/211)
    B = 108/119 . 211/211
    B = 108/119 . 1
    B = 108/119

  2. B = 108/119 . 107/211 + 108/119 . 104/211
    B = 108/119 . ( 107/211 + 104/211 )
    B = 108/119 . 1
    B = 108/119
    Vậy , B = 108/119 .

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

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