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

Toán Lớp 8: a)383939392.(-2)+(-38).(-8383).(-12) b)929393.(-333)+(-2929)

Toán Lớp 8: a)383939392.(-2)+(-38).(-8383).(-12)
b)929393.(-333)+(-2929)

Comments ( 2 )

  1. a)383939392.(-2)+(-38).(-8383).(-12)
     =-767878784+(-3822648)
    =-771701432
    b)929393.(-333)+(-2929)
    =-309487869 +(-2929)
    =-309490798

  2. a) 383939392.(-2)+(-38).(-8383).(-12)
    = ( -767878784 ) + 318554 . ( -12 )
    = ( -767878784 ) + ( -3822648 )
    = -771701432
    b) 929393.(-333)+(-2929)
    = ( -309487869 ) + ( -2929 )
    = -309490789

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

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