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

Toán Lớp 5: a)18/42 + 14/42 b)22/22 – 22/22 c)24/17 – 19/17

Toán Lớp 5: a)18/42 + 14/42
b)22/22 – 22/22
c)24/17 – 19/17

Comments ( 2 )

  1. (18)/(42) + (14)/(42) = (18+14)/42 = (32)/42 = 16/21
    (22)/(22) – (22)/(22) = 1 – 1 = 0
    24/17 – 19/17 = (24-19)/17 = 5/17

  2. chúc chủ tus học tốt!
    nếu thick cho mik xin 5sao +camon+hay nhất ạ

    toan-lop-5-a-18-42-14-42-b-22-22-22-22-c-24-17-19-17

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

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