初中数学计算题(200道)

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初中数学计算题(200道)

×(-9)-12÷(-4)

56÷(-7)-2÷5+

×29÷(-4)

÷-(-50)÷2

[+]×[(-5)-(-7)]

÷[+]

÷(1/4+1/5)

×÷1/2

÷(-2)+

÷2-(-5)×24

*(-3)+70*(-5)+5*(-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

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

120-144÷18+35

347+45×2-4160÷52

37×(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)

× ÷×

(×+)÷

÷4= +

÷ ×=

×()=

×()+×

(6+÷)×

[()×÷

÷[×()+]

12×6÷()-6

12×6÷

×+×

58+370)÷(64-45)

420+580-64×21÷28

136+6×(65-345÷23)

×

+(3-÷)×1

× ÷×

(×+)÷

×6+(+)÷

×+×

×()+×

(6+÷)×

[()×÷

÷[×()+]

12×6÷()-6

12×6÷

-(-)÷

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

77./4*3/5+3/4*2/5

4+8/9/7/9

79.+1/6/3/24+2/21

80./15*3/5

81.3/4/9/10-1/6

82./3+1/2)/5/6-1/3]/1/7

83./5+3/5/2+3/4

84.(2-2/3/1/2)]*2/5

85.+

+456-52*8

%+6325

88./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

×( 1/2 + 2/3 )

2/9 × 4/5 + 8 × 11/5 × 5/6 – 5/6

4/7 - ( 2/7 – 10/21 )19 × 18 –14 × 2/7

5 × 25/1

6 + 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

8×5/6+2/5÷4

1/2+3/4×5/12×4/5

8/9×3/4-3/8÷3/4

5/8÷5/4+3/23÷9/11

×+×

×

××

×(+)

(27)×+×

×+×

××4

++

+×3-()

2×4

×46+×54

××8×

28×

(+)

(4+×)8×7×

×99+

(+)

48×+50×××8

×+

(1010+309+4+681+6)×12 3×9146×782×6×854

×7/8+

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. 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+42 420+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)

× ÷×

(×+)÷(2)×(+)÷

÷4

+

÷

×

()

×+×

()+×

(6+÷)×

51.[()×÷

()+]

×6÷()-6 (4)12×6÷

102×-(-3)×(-5) ÷2

×+×

(-2)+2-(-52)×(-1) ×5+87÷(-3)×(-1) ××(20-)

×〔(-3)×(-5)〕÷2

××÷

127+352+73+44×(-2)

89×276+(-135)-33

25×71+75÷29 -88÷(-2)

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- (9000^0)

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)

1.18.1+(3-÷)×1

2.

3.0.12× ÷×

×+÷

(-2)××(+)÷

+

6.7.2÷

×

7.6.5×()

×+×

8.10.15×

9.5.8×()

10.32.52-(6+÷)×

11.[()×÷

12.5.4÷[×()+]

×6÷()-6

×6÷

15.33.02-(-)÷

(-5)-252×(-78)

(-6) ×(-2)+3÷(5+50)7-7+3-6-(-90)

(-8)(-3)×(-8)×25

(7+13) ÷(-616)÷(-28) (8+14-100-27)÷4

(-15) ÷(-1)-101÷10

16÷×(-8) ×+

(-10) ×(-2) ×4÷{-9÷[6+]}

(-18)(-4)2×[×

9-32{-890-[79+] ×9}

(-20)-23+(-9) ×

(-24)×104÷(-5) ×

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[23-4-18/1/8....+100000

1/1+1/2+1/3+......1/50

1+1/2+1/4+1/8+1/16+......1/512

3+9+27+81+243+ (9999)

1+1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90 8-2×32-(-2×3)2

–12 × (-3)2-(-1/2)2003×(-2)2002÷2/9

2)÷3/1×[-2-(-3)3]-∣1/8-∣

[-38-(-1)7+(-3)8]×-53

a^3-2b^3+ab(2a-b)-√a-b^2

15*(-8)+2b^2+

(x^2+y^2)^2-4y(x^2+y^2)+4y^2

6-3a^8-(-5^2-6)

(x^2+2x)^2+3(x^2+2x)+x^2+2x+3

(a+1)(a+2)+(2a+1)(a-2)-12

x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2

3(a+2)^2+28(a+2)-20

(a+b)^2-(b-c)^2+a^2-c^2

8x(x+1)(x^2+x-1)-2

x^2(x-1)^2-3(x^2-x)-56

14a(a-b)+(a-b)^2

(a-b)^+a(b-a)^2

(x+2)-2x=5-4x

(x+2a)-a=2(b-2x)+4a

* (2)972**1/4

[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) 5+21*8/2-√121-59

68/21-8-11*8+61

-2/9-7/9-56

(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[23-4-18/1/821-8-116-4-34)

1/2+3+5/6-7/12

[23-4-18/1/821-8-116-4-34)

1/2+3+5/6-7/12

[23-4-18/1/8

(+

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

-(-12++

-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)

× ÷×

(×+)÷

÷4= +

÷ ×=

×()=

×()+×

(6+÷)×

[()×÷

÷[×()+]

12×6÷()-6

12×6÷

×+×

58+370)÷(64-45)420+580-64×21÷28 136+6×(65-345÷23)×

+(3-÷)×1

× ÷×

(×+)÷

×6+(+)÷

×+×

×()+×

(6+÷)×

[()×÷

÷[×()+]

12×6÷()-6

12×6÷

-(-)÷

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+

3+456-52*8

%+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

×( 1/2 + 2/3 )

2/9 × 4/5 + 8 × 11/5 × 5/6 – 5/6

4/7 - ( 2/7 – 10/21 )19 × 18 –14 × 2/7

5 × 25/1

6 + 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

×+×

×

××

×(+)

×+×

×+×

××4

++

+×3-()

2×4

×46+×54

××8×

28×

(+)

(4+×)8×7×

×99+

(+)

48×+50×××8

×+

(1010+309+4+681+6)×12 3×9146×782×6×854

×7/8+

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+42 420+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)

× ÷×

(×+)÷

×(+)÷

÷4= +

÷ ×=

×()= ×+×

×()+×

(6+÷)×

[()×÷

÷[×()+]

12×6÷()-6 (4)12×6÷102^2×+8^5-√529

×+×

×

8×(20-)

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)

+(3-÷)×1

× ÷×

(×+)÷

×(+)÷

+

÷

×

×()

×+×

×

×()+×

(6+÷)×

[()×÷

÷[×()+]

12×6÷()-6

12×6÷

-(-)÷

二.解方程

2x=7(x-5)

8(3x+3)=240

+=

+x)÷=1

15x-30=16(x-2)

(-3)^3-3^3

(-1)^

2^2+3^3-4^4

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

[^2-2^3)]^2

×2)^2-15^2

(-15)^x=225,x=

[(-4)^2-4^2]×2^2

[^2+3]^2

[^2+^2]×(-1)^2

3x+28-x=56

+6=

2+=

+=19

18(x-35)=-36

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

a-7-98+7a=*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

解:3y-y=3+4,2y=7,y=

②解方程:=+2

解:+=2-3;=-1,x=-2

③解方程

解:5x+15-2x-2=10,3x=-3,x=-1;

④解方程

解: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()

(2x-4)=-(x-7) (2x-4)=-x-7

(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.13 B. C.8 D.

(5)x=是方程()的解.

+2=2x-(-2-9)

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

+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。

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