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

Toán Lớp 5: tìm số tự nhiên Y, biết 3 1/2 < Y < 7 1/3

Toán Lớp 5: tìm số tự nhiên Y, biết
3 1/2 < Y < 7 1/3

Comments ( 2 )

  1. 3 1/2 < y < 7 1/3
    =7/2<y<22/3
    =3,5<y<7,3333……
    =>y=4;5;6;7
     

  2. 3 1/2 < y < 7 1/3
    7/2 < y < 22/3
    3,5 < y < 7,333….
    => y = 4,5,6,7.
     

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