Algebraic calculation problems of mathematics in grade three.

1/4 + 3/4 ÷ 2/3

8/7 × 2 1/ 16 + 1/2

10 1 × 1/5 – 1/5 × 2 1

50+ 160÷40 (58+370)÷(64-45)

120- 144÷ 18+35

347+45×2-4 160÷52

(58+37)÷(64-9×5)

95÷(64-45)

178- 145÷5×6+42 420+580-64×2 1÷28

8 12-700÷(9+3 1× 1 1)

( 136+64)×(65-345÷23)

85+ 14×( 14+208÷26)

(284+ 16)×(5 12-8208÷ 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+7 1+75+29 +88

243+89+ 1 1 1+57

9405-2940÷28×2 1

920- 1680÷40÷7

690+47×52-398

148+3328÷64-75

360×24÷32+730

2 100-94+48×54

5 1+(2304-2042)×23

42 15+(436 1-7 16)÷8 1

(247+ 18)×27÷25

36-720÷(360÷ 18)

1080÷(63-54)×80

(528+9 12)×5-6 178

8528÷4 1×38-904

264+3 18-8280÷69

( 174+209)×26- 9000

8 14-(278+322)÷ 15

1406+735×9÷45

3 168-7828÷38+504

796-5040÷(630÷7)

285+(3000-372)÷36

1+5/6- 19/ 12

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

(-54)x 1/6x(- 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

1 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

2. Solve the equation

2x=7(x-5)

8(3x+3)=240

4.74+4x-2.5x=8. 1

(2.8 1+x)÷2.8 1 = 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=52 1/2

4y+ 1 19*^3=22/ 1 1

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

8Z/6=458/5

3X+77=59

4Y-6985=8 1

87X* 13=5

7Z/93=4 1

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)

1 1x+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) True or false:

Judge whether the following equation is a linear equation:

①-3x-6x2=7()

③5x+ 1-2x=3x-2()

④3y-4=2y+ 1。 ( )

Judge whether the solution of the following equation is correct:

① Solve equation 3y-4=y+3.

Solution: 3y-y=3+4, 2y=7, y=3.5.

② Solving equation: 0.4x-3=0. 1x+2.

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

③ Solving the equation

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

④ Solving the equation

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

2) Fill in the blanks:

(1) If 2(3-a)x-4=5 is a linear equation about x, then a≦_

(2) The solution of equation ax=3 about X is a natural number, so the value of integer A is _

(3) The solution of equation 5x-2(x- 1)= 17 is _

(4) If x = 2 is the solution of equation 2x-3=m-, then m=_.

(5) If -2x2-5m+ 1=0 is a linear equation about x, then m=_.

(6) When y=_, the algebraic expressions 5y+6 and 3y-2 are reciprocal.

(7) When m=_, the solution of the equation is 0.

(8) If a≠0 is known, the solution of equation 3ab-(a+b)x=(a-b)x about x is _ _ _ _ _.

3) Multiple choice questions:

The solution of (1) equation ax=b is ().

A. there is a solution x = B. There are countless solutions

C. No solution D. When a≠0, x=

(2) Solve equation (x- 1)=3. Among the following variants, the simpler one is ().

A. multiply both sides of the equation by 4 to get 3( x- 1)= 12.

B. remove the brackets and get x- =3.

C. divide both sides by the same number to get x- 1=4.

D. finish, acquire

(3) Equation 2- Denominator ()

a . 2-2(2x-4)=-(x-7)b . 12-2(2x-4)=-x-7

C.12-2 (2x-4) =-(x-7) D. None of the above answers are correct.

(4) If the algebraic ratio is greater than 1, the value of x is ().

13 BC

(5)x= 1.5 is the solution of equation ().

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

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

C.4x+9 =6x+6

4) Answer the following questions:

When (1)x is equal to what number, are the values of algebraic expressions equal?

(2) When y is equal to what number, the value of the algebraic expression is 3 less than that of the algebraic expression?

(3) When m is equal to what number, the sum of the value of algebraic expression 2m- and the value of algebraic expression is equal to 5?

(4) Solve the following equation about x:

①ax+b = bx+a； (a≠b)；

Three. Simplify and simplify the assessment

Cross-cultural assessment:

1 、-9(x-2)-y(x-5)