求七十道正负数加减混合运算题(附答案)

1个回答

  • 1.0-21又2/3+(+3又1/4)—(— 2/3)— (+1/4)

    2.(+16)+(-29)-(-7)-(+11)+(+9)

    3.(-3.1)-(-4.5)+(+4.4)-(+1.3)+(-2.5)

    4.(-5)-(-8)+(-15)-(+11)

    5.(+16)-(+25)-(-24)+(+23)

    6.2.5-(-3.6)-6.5+(-7)

    7.163-(-41)-63-(-259)

    8.(-36)-(-28)+(+125)+(-4)+(-53)-(40)

    9.23/3-7/4-5/4+9/2

    10.(-52)-(+63)+(+12)-(-51)-(-12)-(-40)

    11.(-63)+(+54)-(-14)+(-36)

    12.6/5+(-2/3)-(+3/5)+(-4/3)

    13.(-2.5)+(+3.6)-(-6.8)+(+5.4)

    先这么多,本团团员正在上传中.

    14.-10+45-(-87)+(+20)-(-41)

    15.+2又3/4-(-1又1/6)-(+2又2/9)

    16.-6又1/6+(+5又1/2)-(-2又1/4)+(-3/8)