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

Toán Lớp 5: Phép tính 3 và 4/5+1,24*0,8-2,35=?

Toán Lớp 5: Phép tính 3 và 4/5+1,24*0,8-2,35=?

Comments ( 2 )

  1. Answer
    3 4/5 + 1,24 xx 0,8 – 2,35
    = 19/5 + 31/25 xx 4/5 – 47/20
    = 19/5 + 124/125 – 47/20
    = 599/125 – 47/20
    = 1221/500

  2. 3 và 4/5+1,24*0,8-2,35=?
    = 19/5 + 124/125 – 2,35
    = 4,792 – 2,35
    = 2,442

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