求40道初中有理数加减法运算题如题,要求有纯加法、纯减法和加减混合运算,其中最后10道要能用简便方法解

1个回答

  • -38)+52+118+(-62)=

    (-32)+68+(-29)+(-68)=

    (-21)+251+21+(-151)=

    12+35+(-23)+0=

    (-6)+8+(-4)+12 =

    27+(-26)+33+(-27)

    12+35+(-23)+0=

    39+[-23]+0+[-16]=

    [-18]+29+[-52]+60=

    [-3]+[-2]+[-1]+0+1+2=

    [-301]+125+301+[-75]=

    [-1]+[-1/2]+[+3/4]+[-1/4]=

    [-7/2]+[+5/6]+[-0.5]+4/5+19/6=

    [-26.54]+[-6.14]+18.54+6.14=

    1.125+[-17/5]+[-1/8]+[-0.6]=

    1-4/9 =

    1-7/10=

    8/15-5=

    7-15=

    2/8-5/8=

    8/27-5 =

    4-27 =

    11/12-10/12=

    16/21-1/7 =

    4/ 2-(3+3 )=

    1/3- 7/12-7/18=

    1 -1/3-1 1/5 =

    10-7/10=

    5/24+3/8 =

    4.5-3/5

    1-3/5=2/5

    4.39*1/13*2/3

    1+(-2)+(-3)+4+5+(-6)+(-7)+8+9+(-10)+(-11)+12

    -15.8+13又6分之5+15又5分之4

    (-7分之1)+(-7分之2)+1又7分之3

    -0.5-(-3 )+2.75-(+7 )

    39+[-23]+0+[-16]=

    [-18]+29+[-52]+60=

    [-3]+[-2]+[-1]+0+1+2=

    [-301]+125+301+[-75]=

    [-1]+[-1/2]+[+3/4]+[-1/4]=

    [-7/2]+[+5/6]+[-0.5]+4/5+19/6=

    [-26.54]+[-6.14]+18.54+6.14=

    1.125+[-17/5]+[-1/8]+[-0.6]=

    0.75+[-11/4]+0.125+12又5/7+[-3/8]=

    [-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=