跪求30道有理数加减乘除计算带过程急!!!!
答案:2 悬赏:70 手机版
解决时间 2021-02-24 07:50
- 提问者网友:送舟行
- 2021-02-23 20:35
跪求30道有理数加减乘除计算带过程急!!!!
最佳答案
- 五星知识达人网友:傲气稳了全场
- 2021-02-23 21:20
3+2^2×(-1/5)
解:原式=3+4×(-1/5)
=3-4/5
=11/5
18-6÷(-2)×(-1/3)
解:原式=18-(-3)×(-1/3)
=18-1
=17
(-3)^2×[-2/3+(-5/9)]
解:原式=9×(-11/9)
=-11
8+(-3)^2×(-2)
解:原式=8+9×(-2)
=8-18
=-10
100÷(-2)^2-(-2)÷(-2/3)
解:原式=100÷4-3
=25-3
=22
36×(1/2-1/3)^2
解:原式=36×(1/6)^2
=36×(1/36)
=1
12.7÷(-8/19)×0
解:原式=0
4×(-3)^2+6
解:原式=4×9+6
=36+6
=42
(-3/4)×(-8+2/3-1/3)
解:原式=(-3/4)×(-8+1/3)
=(-3/4)×(-23/3)
=23/4
(-2)^3-13÷(-1/2)
解:原式=(-8)-(-26)
=18
0-2^3÷(-4)^3-1/8
解:原式=0-8÷(-64)-1/8
=0+1/8-1/8
=0
(-2)^3×0.5-(-1.6)^2÷(-2)^2
解:原式=(-8)×(1/2)-(-8/5)^2÷4
=(-4)-(64/25)÷4
=(-4)-16/25
=-116/25
(-3/2)×[(-2/3)^2-2]
解:原式=(-3/2)×(4/9-2)
=(-3/2)×(-14/9)
=7/3
[(-3)^2-(-5)^2]÷(-2)
解:原式=(9-25)÷(-2)
=(-16)÷(-2)
=8
16÷(-2)^3-(-1/8)×(-4)
解:原式=16÷(-8)-1/2
=-2-1/2
=-5/2
2×(-5)+2^2-3÷1/2
解:原式=-10+4-3×2
=-10+4-6
=-12.
17-2^3÷(-2)×3
解:原式=17-8÷(-2)×3,
=17-(-4)×3,
=17+12,
=29.
(-1/2)^0+(-2)^3+(1/3)^-1+|-2|
解:原式=1-8+3+2
=-2.
(-2)^3÷(-1-3)-(1/2)^(-1)+(3.14-π)^0
解:原式=-8÷(-4)-2+1
=2-2+1
=1.
-3^4+(-0.25)^100×4^100+(1/2-1/3)×(1/6)^-2÷|-2|
解:原式=-81+1+1/6 ×36×1/2
=-81+1+3
=-77
2^2+4×(-1/2)
解:原式=4-2=2
(-2)^3+|-7|-3^0
解:原式=-8+7-1
=-2
-1^100-(1-0.5)×1/3×[3-(-3)^2]
解:原式=-1-1/2 ×1/3 ×(-6)
=-1+1
=0
-1^4-1/6×[2-(-3)^2]
解:原式=-1-1/6 ×(2-9)
=-1-1/6 ×(-7)
=-1+7/6
=1/6
-12+8÷(-2)^3-(-5)×(-3)
解:原式=-12+8÷(-8)-15
=-12+(-1)-15
=-28
(-24)×(1/8-1/3+1/4)+(-2)^3
解:原式=-3+8-6-8=-9
-1^4-(1-0.5)×1/3×[1-(-3)^2]
解:原式=-1-1/2 ×1/3 ×(1-9)
=-1+1/2 ×1/3 ×8
=-1+4/3
=1/3
(3/4-7/8+5/12)×(-24);
解:原式=-3/4 ×24+7/8 ×24-5/12 ×24
=-18+21-10
=-7
-1^4-1/6×[2+(-4)^2]
解:原式=-1-1/6 ×(2+16)=-1-3=-4
解:原式=3+4×(-1/5)
=3-4/5
=11/5
18-6÷(-2)×(-1/3)
解:原式=18-(-3)×(-1/3)
=18-1
=17
(-3)^2×[-2/3+(-5/9)]
解:原式=9×(-11/9)
=-11
8+(-3)^2×(-2)
解:原式=8+9×(-2)
=8-18
=-10
100÷(-2)^2-(-2)÷(-2/3)
解:原式=100÷4-3
=25-3
=22
36×(1/2-1/3)^2
解:原式=36×(1/6)^2
=36×(1/36)
=1
12.7÷(-8/19)×0
解:原式=0
4×(-3)^2+6
解:原式=4×9+6
=36+6
=42
(-3/4)×(-8+2/3-1/3)
解:原式=(-3/4)×(-8+1/3)
=(-3/4)×(-23/3)
=23/4
(-2)^3-13÷(-1/2)
解:原式=(-8)-(-26)
=18
0-2^3÷(-4)^3-1/8
解:原式=0-8÷(-64)-1/8
=0+1/8-1/8
=0
(-2)^3×0.5-(-1.6)^2÷(-2)^2
解:原式=(-8)×(1/2)-(-8/5)^2÷4
=(-4)-(64/25)÷4
=(-4)-16/25
=-116/25
(-3/2)×[(-2/3)^2-2]
解:原式=(-3/2)×(4/9-2)
=(-3/2)×(-14/9)
=7/3
[(-3)^2-(-5)^2]÷(-2)
解:原式=(9-25)÷(-2)
=(-16)÷(-2)
=8
16÷(-2)^3-(-1/8)×(-4)
解:原式=16÷(-8)-1/2
=-2-1/2
=-5/2
2×(-5)+2^2-3÷1/2
解:原式=-10+4-3×2
=-10+4-6
=-12.
17-2^3÷(-2)×3
解:原式=17-8÷(-2)×3,
=17-(-4)×3,
=17+12,
=29.
(-1/2)^0+(-2)^3+(1/3)^-1+|-2|
解:原式=1-8+3+2
=-2.
(-2)^3÷(-1-3)-(1/2)^(-1)+(3.14-π)^0
解:原式=-8÷(-4)-2+1
=2-2+1
=1.
-3^4+(-0.25)^100×4^100+(1/2-1/3)×(1/6)^-2÷|-2|
解:原式=-81+1+1/6 ×36×1/2
=-81+1+3
=-77
2^2+4×(-1/2)
解:原式=4-2=2
(-2)^3+|-7|-3^0
解:原式=-8+7-1
=-2
-1^100-(1-0.5)×1/3×[3-(-3)^2]
解:原式=-1-1/2 ×1/3 ×(-6)
=-1+1
=0
-1^4-1/6×[2-(-3)^2]
解:原式=-1-1/6 ×(2-9)
=-1-1/6 ×(-7)
=-1+7/6
=1/6
-12+8÷(-2)^3-(-5)×(-3)
解:原式=-12+8÷(-8)-15
=-12+(-1)-15
=-28
(-24)×(1/8-1/3+1/4)+(-2)^3
解:原式=-3+8-6-8=-9
-1^4-(1-0.5)×1/3×[1-(-3)^2]
解:原式=-1-1/2 ×1/3 ×(1-9)
=-1+1/2 ×1/3 ×8
=-1+4/3
=1/3
(3/4-7/8+5/12)×(-24);
解:原式=-3/4 ×24+7/8 ×24-5/12 ×24
=-18+21-10
=-7
-1^4-1/6×[2+(-4)^2]
解:原式=-1-1/6 ×(2+16)=-1-3=-4
全部回答
- 1楼网友:罪歌
- 2021-02-23 21:57
-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=
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 = 回答者: 陆娅雯 | 二级 | 2011-6-11 18:48
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