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

Toán Lớp 6: (17 13/15 – 3 3/7) – ( 2 12/15 – 4)

Toán Lớp 6: (17 13/15 – 3 3/7) – ( 2 12/15 – 4)

Comments ( 2 )

  1. (17 13/15 – 3 3/7) – (2 12/15 – 4 )
    =17 13/15 – 3 3/7 – 2 12/15 + 4
    =(17 13/15 – 2 12/15 ) + (4 – 3 3/7)
    =15 1/15 + 4/7
    =226/15 + 4/7
    =1582/105 + 60/105
    =1642/105

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