如题所述
－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]=
（－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]=
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第1个回答 2011-10-24
(1)-(4.49+5.51)+12，(2)999.81-1000+(0.81-0.65)，(3)-(35-40+15)+12，
(4)-(7.77+3.23)-(-15)，(5)-58+51+12-(-18)，(6)-(1.79+12.21)+15，
(7)-(3-7+12)+18，(8)|16m-12|-(18m+7)+2m+21，(9)-(1.83+2.17)+5，
(10)-(2.42+6.58)+12.76，(11)18t-66-20t+67-2t，(12)-(0.34+5.62)+6，
(13)23-100+76.21(14)5-(36-47+12)-3，(15)-(1/3+8/9+7/3+4/9)，
(16)18-19.5+3.5+2，(17)2%-(0.08)-0.1，(18)7/8+2.25-1/8-(-5)，(19)-23.66-25.34+50，
(20)-(-73+100)+30，(21)2.06-3+(-1.95)，(22)-(1.732+0.268)+4，(23)-|14-2.236|+16-3.236，
(24)|-(1+8+3)+14|，(25)|11+12+15-40|-8，(26)3+3/4-6-0.75，(27)-(55-66.5+7/2)，
(28)3.37-(-1.08-0.53)，(29)5.66+(-2.77-2.89)，(30)|4-16.21|-(18.21-7.84)
(4)-(7.77+3.23)-(-15)，(5)-58+51+12-(-18)，(6)-(1.79+12.21)+15，
(7)-(3-7+12)+18，(8)|16m-12|-(18m+7)+2m+21，(9)-(1.83+2.17)+5，
(10)-(2.42+6.58)+12.76，(11)18t-66-20t+67-2t，(12)-(0.34+5.62)+6，
(13)23-100+76.21(14)5-(36-47+12)-3，(15)-(1/3+8/9+7/3+4/9)，
(16)18-19.5+3.5+2，(17)2%-(0.08)-0.1，(18)7/8+2.25-1/8-(-5)，(19)-23.66-25.34+50，
(20)-(-73+100)+30，(21)2.06-3+(-1.95)，(22)-(1.732+0.268)+4，(23)-|14-2.236|+16-3.236，
(24)|-(1+8+3)+14|，(25)|11+12+15-40|-8，(26)3+3/4-6-0.75，(27)-(55-66.5+7/2)，
(28)3.37-(-1.08-0.53)，(29)5.66+(-2.77-2.89)，(30)|4-16.21|-(18.21-7.84)
第2个回答 2011-10-24
(-9)-(-13)+(-20)+(-2)=
3+13-(-7)+6
=
(-2)-8-14-13=
(-7)+(-5)-(-8)+3=
(-11)-4-(-18)+18
=
4+(-11)-1-(-3)
=
(-17)-6-16-(-18)
=
5+7+(-1)-(-8)
=
(-1)-(-1)+15+1
=
3-(-5)-3+(-15)
=
6+(-14)-(-14)+(-13)
=
(-15)-(-13)-(-17)-(-4)
=
(-20)-13+(-7)+11
=
8+(-1)-7+(-4)
=
(-13)-(-9)+16-(-12)
=
(-1)+4+19+(-2)
=
(-17)+(-9)-20+(-6)
=
(-5)+12-(-16)-(-15)
=
(-3)-13-(-5)+13
=
5+(-7)+17-10
=
(-10)-(-16)-13-(-16) =
(-14)+4-19-12
=
-5+13+14-(-10)
=
3+(-10)-17-(-10)
=
6+(-12)+15-(-15)
=
15-(-9)-13+(-7)
=
2-(-10)+1-(-8) =
11+(-19)+(-14)-5 =
19-16+18-(-11)
=
-3+(-8)-(21)+(-7)=
3+13-(-7)+6
=
(-2)-8-14-13=
(-7)+(-5)-(-8)+3=
(-11)-4-(-18)+18
=
4+(-11)-1-(-3)
=
(-17)-6-16-(-18)
=
5+7+(-1)-(-8)
=
(-1)-(-1)+15+1
=
3-(-5)-3+(-15)
=
6+(-14)-(-14)+(-13)
=
(-15)-(-13)-(-17)-(-4)
=
(-20)-13+(-7)+11
=
8+(-1)-7+(-4)
=
(-13)-(-9)+16-(-12)
=
(-1)+4+19+(-2)
=
(-17)+(-9)-20+(-6)
=
(-5)+12-(-16)-(-15)
=
(-3)-13-(-5)+13
=
5+(-7)+17-10
=
(-10)-(-16)-13-(-16) =
(-14)+4-19-12
=
-5+13+14-(-10)
=
3+(-10)-17-(-10)
=
6+(-12)+15-(-15)
=
15-(-9)-13+(-7)
=
2-(-10)+1-(-8) =
11+(-19)+(-14)-5 =
19-16+18-(-11)
=
-3+(-8)-(21)+(-7)=
