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

Toán Lớp 6: tính nhanh nếu có thể 205-[1200-( 4^2:2.3)^2:40]

Toán Lớp 6: tính nhanh nếu có thể 205-[1200-( 4^2:2.3)^2:40]

Comments ( 2 )

  1. 250-[1200-(4^2 :2.3)^2 :40]
    =250-[1200-(16:2 .3)^2 :40]
    =250-[1200-24^2 :40]
    =250-[1200-576:40]
    =250-[1200-14,4]
    =250-1185,6
    =-935,6

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

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