20道正负数加减运算题

1个回答

  • 5+21*8/2-6-59

    68/21-8-11*8+61

    -2/9-7/9-56

    4.6-(-3/4+1.6-4-3/4)

    1/2+3+5/6-7/12

    [2/3-4-1/4*(-0.4)]/1/3+2

    22+(-4)+(-2)+4*3

    -2*8-8*1/2+8/1/8

    (2/3+1/2)/(-1/12)*(-12)

    (-28)/(-6+4)+(-1)

    2/(-2)+0/7-(-8)*(-2)

    (1/4-5/6+1/3+2/3)/1/2

    18-6/(-3)*(-2)

    (5+3/8*8/30/(-2)-3

    (-84)/2*(-3)/(-6)

    1/2*(-4/15)/2/3

    -3x+2y-5x-7y

    -5+21*8/2-6-59

    68/21-8-11*8+61

    -2/9-7/9-56

    4.6-(-3/4+1.6-4-3/4)

    1/2+3+5/6-7/12

    [2/3-4-1/4*(-0.4)]/1/3+2

    22+(-4)+(-2)+4*3

    -2*8-8*1/2+8/1/8

    (2/3+1/2)/(-1/12)*(-12)

    (-28)/(-6+4)+(-1)

    2/(-2)+0/7-(-8)*(-2)

    (1/4-5/6+1/3+2/3)/1/2

    18-6/(-3)*(-2)

    (5+3/8*8/30/(-2)-3

    (-84)/2*(-3)/(-6)

    1/2*(-4/15)/2/3

    -3x+2y-5x-7y

    -51+51*5.2/(-30)

    300+(-599)+78*65

    -20+30*50/90

    78*67*(-67)/56

    56*78*787*(-51) (-17/4)+(-10/3)+(+13/3)+(11/3)

    (-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

    [-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

    5+21*8/2-6-59