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初中数学的计算题200道,谢谢要有答案哦

发表时间:2024-07-13 20:29:15 来源:网友投稿

/>18-6/(-3)*(-2)-|-9|

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

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

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

|-3x+2y-5x-7y|-|-9x+2y|

-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-√64-5^2

-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+√9

-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-(-3^2+5^7)

-1+2-3+4-5+6-7+√9

-50-28+(-24)-(-22)

-19.8-(-20.3)-(+20.2)-10.8;

0.25-+(-1)-(+3).

-1-23.33-(+76.76)

1-2*2*2*2-5^2+(6^2-5^2)

(-6-24.3)-(-12+9.1)+(0-2.1)

-1+8-7+5^7-(-5+√9)

125*3+125*5+25*3+25

9999*3+101*11*(101-92)

(23/4-3/4)*(3*6+2)

3/7×49/9-4/3

8/9×15/36+1/27

12x*5/6y–2/9y*|3x-2y|

8×5/4+1/4*|-7-8|

6÷3/8–3/8÷6

4/7×5/9+3/7×5/9

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

7/8+(1/8+1/9)

9×5/6+5/6

3/4×8/9-1/3

7×5/49+3/14

6×(1/2+2/3)

8×4/5+8×11/5

31×5/6–5/6

9/7-(2/7–10/21)

5/9×18–14×2/7

4/5×25/16+2/3×3/4

14×8/7–5/6×12/15

17/32–3/4×9/24

3^45×2/9+1/3

5/7×3/25+3/7

3/14×2/3+1/6

1/5×2/3+5/6

5/3×11/5+4/3

9/22+1/11÷1/2-√169

45^8×2/3+1/3×15

7/19+12/19×5/6

1/4+3/4÷2/3

8/7×21/16+1/2

101^4×(-1/5–1/5×21)

50+√160÷40^5

120-144÷18+35

347+45×2-4160÷52

37^2(58+37)÷(64-9×5)

95÷(64-45)

178-145÷5×6+42

812-700÷(9+31×11)

85+14×(14+208÷26)

120-36×4÷18+35

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

0.12×4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

6-1.6÷4=5.38+7.85-5.37=

7.2÷0.8-1.2×5=6-1.19×3-0.43=

6.5×(4.8-1.2×4)=

5.8×(3.87-0.13)+4.2×3.74

32.52-(6+9.728÷3.2)×2.5

[(7.1-5.6)×0.9-1.15]÷2.5

5.4÷[2.6×(3.7-2.9)+0.62]

12×6÷(12-7.2)-6

12×6÷7.2-6

0.68×1.9+0.32×1.9

58+370)÷(64-45)

420+580-64×21÷28

136+6×(65-345÷23)

15-10.75×0.4-5.7

18.1+(3-0.299÷0.23)×1

(6.8-6.8×0.55)÷8.5

0.12×4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

3.2×6+(1.5+2.5)÷1.6

0.68×1.9+0.32×1.9

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74

32.52-(6+9.728÷3.2)×2.5

[(7.1-5.6)×0.9-1.15]÷2.5

5.4÷[2.6×(3.7-2.9)+0.62]

12×6÷(12-7.2)-6

12×6÷7.2-6

33.02-(148.4-90.85)÷2.5

76.(25%-695%-12%)*36

7/4*3/5+3/4*2/5

1-1/4+8/9/7/9

7+1/6/3/24+2/21

8/15*3/5

3/4/9/10-1/6

8/3+1/2)/5/6-1/3]/1/7

9/5+3/5/2+3/4

8^6(2-2/3/1/2)]*2/5

8+5268.32-2569

3+456-52*8

87.5%+6325

8/2+1/3+1/4

89+456-78

5%+.3/7×49/9-4/3

9×15/36+1/27

2×5/6–2/9×3

3×5/4+1/4

94÷3/8–3/8÷6

95/7×5/9+3/7×5/9

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

8+(1/8+1/9)

8×5/6+5/6

1/4×8/9-1/3

10×5/49+3/14

1.5×(1/2+2/3)

2/9×4/5+8×11/5

3.1×5/6–5/6

4/7-(2/7–10/21)

19×18–14×2/7

5×25/16+2/3×3/4

4×8/7–5/6×12/15

7/32–3/4×9/24

2/3÷1/2-1/4×2/5

2-6/13÷9/26-2/3

2/9+1/2÷4/5+3/8

10÷5/9+1/6×4

1/2×2/5+9/10÷9/20

5/9×3/10+2/7÷2/5

1/2+1/4×4/5-1/8

3/4×5/7×4/3-1/2

23-8/9×1/27÷1/27

18×5/6+2/5÷4

11/2+3/4×5/12×4/5

8/9×3/4-3/8÷3/4

5/8÷5/4+3/23÷9/11

1.2×2.5+0.8×2.5

8.9×1.25-0.9×1.25

12.5×7.4×0.8

9.9×6.4-(2.5+0.24)

6.5×9.5+6.5×0.5

0.35×1.6+0.35×3.4

0.25×8.6×4

6.72-3.28-1.72

0.45+6.37+4.55

5.4+6.9×3-(25-2.5)

2×41846-620-380

4.8×46+4.8×54

0.8+0.8×2.5

1.25×3.6×8×2.5-12.5×2.4

28×12.5-12.5×20

23.65-(3.07+3.65)

(4+0.4×0.25)8×7×1.25

1.65×99+1.65

27.85-(7.85+3.4)

48×1.25+50×1.25×0.2×8

7.8×9.9+0.78

(1010+309+4+681+6)×12

3×9146×782×6×854

5.15×7/8+6.1-0.60625

3/7×49/9-4/3

8/9×15/36+1/27

12×5/6–2/9×3

8×5/4+1/4

6÷3/8–3/8÷6

4/7×5/9+3/7×5/9

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

7/8+(1/8+1/9)

9×5/6+5/6

3/4×8/9-1/3

7×5/49+3/14

6×(1/2+2/3)

8×4/5+8×11/5

31×5/6–5/6

9/7-(2/7–10/21)

5/9×18–14×2/7

4/5×25/16+2/3×3/4

14×8/7–5/6×12/15

17/32–3/4×9/24

3×2/9+1/3

5/7×3/25+3/7

3/14×2/3+1/6

1/5×2/3+5/6

9/22+1/11÷1/2

5/3×11/5+4/3

45×2/3+1/3×15

7/19+12/19×5/6

1/4+3/4÷2/3

8/7×21/16+1/2

101×1/5–1/5×21

50+160÷40(58+370)÷(64-45)

120-144÷18+35

347+45×2-4160÷52

(58+37)÷(64-9×5)

95÷(64-45)

178-145÷5×6+42420+580-64×21÷28

812-700÷(9+31×11)

(136+64)×(65-345÷23)

85+14×(14+208÷26)

(284+16)×(512-8208÷18)

120-36×4÷18+35

(58+37)÷(64-9×5)

(6.8-6.8×0.55)÷8.5

0.12×4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

3.2×(1.5+2.5)÷1.6

6-1.6÷4=5.38+7.85-5.37=

7.2÷0.8-1.2×5=6-1.19×3-0.43=

6.5×(4.8-1.2×4)=0.68×1.9+0.32×1.9

10.15-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74

32.52-(6+9.728÷3.2)×2.5

[(7.1-5.6)×0.9-1.15]÷2.5

5.4÷[2.6×(3.7-2.9)+0.62]

12×6÷(12-7.2)-6(4)12×6÷7.2-6

102^2×4.5+8^5-√529

7.8×6.9+2.2×6.9

5.6×0.25

8×(20-1.25)

127+352+73+44

89+276+135+33

25+71+75+29+88

243+89+111+57

9405-2940÷28×21

920-1680÷40÷7

690+47×52-398

148+3328÷64-75

360×24÷32+730

2100-94+48×54

51+(2304-2042)×23

4215+(4361-716)÷81

(247+18)×27÷25

36-720÷(360÷18)

1080÷(63-54)×80

(528+912)×5-6178

8528÷41×38-904

264+318-8280÷69

(174+209)×26-9000

814-(278+322)÷15

1406+735×9÷45

3168-7828÷38+504

796-5040÷(630÷7)

285+(3000-372)÷36

1+5/6-19/12

3x(-9)+7x(-9

(-54)x1/6x(-1/3)

18.1+(3-0.299÷0.23)×1

(6.8-6.8×0.55)÷8.5

0.12×4.8÷0.12×4.8

(3.2×1.5+2.5)÷1.6

3.2×(1.5+2.5)÷1.6

5.6-1.6÷4

5.38+7.85-5.37

7.2÷0.8-1.2×5

6-1.19×3-0.43

6.5×(4.8-1.2×4)

0.68×1.9+0.32×1.9

115-10.75×0.4-5.7

5.8×(3.87-0.13)+4.2×3.74

32.52-(6+9.728÷3.2)×2.5

[(7.1-5.6)×0.9-1.15]÷2.5

5.4÷[2.6×(3.7-2.9)+0.62]

12×6÷(12-7.2)-6

12×6÷7.2-6

33.02-(148.4-90.85)÷2.5

二.解方程

2x=7(x-5)

8(3x+3)=240

4.74+4x-2.5x=8.1

(2.81+x)÷2.81=1

15x-30=16(x-2)

(-3)^3-3^3

(-1)^2-5.6

2^2+3^3-4^4

(2^4-3^2)^3-5^5

[(1.6^2-2^3)-2.1]^2

(5.66×2)^2-15^2

(-15)^x=225,x=?

[(-4)^2-4^2]×2^2

[(-5.6)^2+3]^2

[5.6^2+(-5.6)^2]×(-1)^2

3x+28-x=56

1.5x+6=3.75

2(3.6x+2.8)=-1.6

9.5x+9.5=19

18(x-35)=-36

x+7-(-36+8^2)/2=8+7^4/3

a-7-98+7a=3.2*5a

89/2+35/6x=3*9+2^3/5+7x

3X+189/3=521/2

4Y+119*^3=22/11

3X*189=5*4^5/3

8Z/6=458/5

3X+77=59

4Y-6985=81

87X*13=5

7Z/93=41

15X+863-65X=54

58Y*55=27489

7(2x-1)-3(4x-1)=4(3x+2)-1

(5y+1)+(1-y)=(9y+1)+(1-3y)

[-6(-7^4*8)-4]=x+2

20%+(1-20%)(320-x)=320×40%

2(x-2)+2=x+1

2(x-2)-3(4x-1)=9(1-x)

11x+64-2x=100-9x

15-(8-5x)=7x+(4-3x)

3(x-7)-2[9-4(2-x)]=22

3/2[2/3(1/4x-1)-2]-x=2

2x+7^2=157

1)判断题:

判断下列方程是否是一元一次方程:

①-3x-6x2=7()

③5x+1-2x=3x-2()

④3y-4=2y+1.()

判断下列方程的解法是否正确:

①解方程3y-4=y+3

3y-y=3+4,2y=7,y=3.5

②解方程:0.4x-3=0.1x+2

0.4x+0.1x=2-3;0.5x=-1,x=-2

③解方程

5x+15-2x-2=10,3x=-3,x=-1;

④解方程

2x-4+5-5x=-1,-3x=-2,x=.()

2)填空题:

(1)若2(3-a)x-4=5是关于x的一元一次方程,则a≠_

(2)关于x的方程ax=3的解是自然数,则整数a的值为_

(3)方程5x-2(x-1)=17的解是_

(4)x=2是方程2x-3=m-的解,则m=_.

(5)若-2x2-5m+1=0是关于x的一元一次方程,则m=_.

(6)当y=_时,代数式5y+6与3y-2互为相反数.

(7)当m=_时,方程的解为0.

(8)已知a≠0.则关于x的方程3ab-(a+b)x=(a-b)x的解为______.

3)选择题:

(1)方程ax=b的解是().

A.有一个解x=B.有无数个解

C.没有解D.当a≠0时,x=

(2)解方程(x-1)=3,下列变形中,较简捷的是()

A.方程两边都乘以4,得3(x-1)=12

B.去括号,得x-=3

C.两边同除以,得x-1=4

D.整理,得

(3)方程2-去分母得()

A.2-2(2x-4)=-(x-7)B.12-2(2x-4)=-x-7

C.12-2(2x-4)=-(x-7)D.以上答案均不对

(4)若代数式比大1,则x的值是().

A.13B.C.8D.

(5)x=1.5是方程()的解.

A.4x+2=2x-(-2-9)

B.2{3[4(5x-1)-8]-2}=8

C.4x+9=6x+6

4)解答下列各题:

(1)x等于什么数时,代数式的值相等?

(2)y等于什么数时,代数式的值比代数式的值少3?

(3)当m等于什么数时,代数式2m-的值与代数式的值的和等于5?

(4)解下列关于x的方程:

①ax+b=bx+a;(a≠b);

三.化简、化简求值

化间求值:

1、-9(x-2)-y(x-5)

(1)化简整个式子.

(2)当x=5时,求y的解.

2、5(9+a)×b-5(5+b)×a

(1)化简整个式子.

(2)当a=5/7时,求式子的值.

3、62g+62(g+b)-b

(1)化简整个式子.

(2)当g=5/7时,求b的解.

4、3(x+y)-5(4+x)+2y

(1)化简整个式子.

5、(x+y)(x-y)

(1)化简整个式子.

6、2ab+a×a-b

(1)化简整个式子.

7、5.6x+4(x+y)-y

(1)化简整个式子.

8、6.4(x+2.9)-y+2(x-y)

(1)化简整个式子.

9、(2.5+x)(5.2+y)

(1)化简整个式子.

10、9.77x-(5-a)x+2a

(1)化简整个式子.

把x=-2,y=0.1,a=4,b=1代入下列式子求值

3(x+2)-2(x-3)

5(5+a)×b-5(5+b)×a

62a+62(a+b)-b

3(x+y)-5(4+x)+2y

(x+y)(x-y)

2ab+a×a-b

5.6x+4(x+y)-y

6.4(x+2.9)-y+2(x-y)

(2.5+x)(5.2+y)

9.77x-(5-a)x+2a

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