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

Toán Lớp 3: 90000-2000/2 4900;7/3 2000/3+4000 4000;8/2 8000;4/2 5000/2;5 8000-2000/2

Toán Lớp 3: 90000-2000/2
4900;7/3
2000/3+4000
4000;8/2
8000;4/2
5000/2;5
8000-2000/2

Comments ( 2 )

  1. 90000 – 2000/2 = 90000 – 1000 = 89000
    4900 : 7/3 = 4900 × 3/7 = 2100
    2000/3 + 4000 = 2000/3 + 12000/3 = 14000/3
    4000 : 8/2 = 4000 : 4 = 1000
    8000 : 4/2 = 8000 × 2/4 = 4000
    5000/2 : 5 = 2500 : 5 = 500
    8000 – 2000/2 = 8000 – 1000 = 7000
     

  2. 90000 – 2000/2 = 90000 – 1000 = 89000
    4900 : 7/3 = 4900 × 3/7 = 2100
    2000/3 + 4000 = 2000/3 + 12000/3 = 14000/3
    4000 : 8/2 = 4000 : 4 = 1000
    8000 : 4/2 = 8000 : 2 = 4000
    5000/2 : 5 = 2500 : 5 = 500
    8000 – 2000/2 = 8000 – 1000 = 7000
    (Chúc bạn học tốt)
     

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