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

Toán Lớp 5: xếp theo thứ tự tăng dần:6/9;9/6;3/7;2/7;5/5

Toán Lớp 5: xếp theo thứ tự tăng dần:6/9;9/6;3/7;2/7;5/5

Comments ( 2 )

  1. text(Mẫu chung : 315)
    6/9 = 210/315
    9/6 = 474/315
    3/7 = 135/315
    2/7 = 90/315
    5/5 = 315/315
    Vì  90/315 < 135/315 < 210/315 < 315/315 < 474/315
    ⇔ 2/7 < 3/7 < 6/9 < 5/5 < 6/9

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

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