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Find 100 math simplification problem in grade one.
3.3ab-4ab+8ab-7ab+ab=______。

4.7x-(5x-5y)-y=______。

5.23 a3 BC 2- 15 ab2c+8 ABC-24 a3 BC 2-8 ABC = _ _ _ _ _ _。

6.-7x 2+6x+ 13 x2-4x-5x 2 = _ _ _ _ _ _。

7.2y+(-2y+5)-(3y+2)=______。

1 1.(2 x2-3xy+4 y2)+(x2+2xy-3 y2)= _ _ _ _ _ _。

12.2 a-(3a-2 b+2)+(3a-4 b- 1)= _ _ _ _ _ _。

13.-6x2-7x2+ 15x2-2x2=______。

14.2 x-(x+3y)-(-x-y)-(x-y)= _ _ _ _ _ _。

16.2 x+2y-[3x-2(x-y)]= _ _ _ _ _ _。

17.5-( 1-x)- 1-(x- 1)= _ _ _ _ _ _。

18.()+(4xy+7x2-y2)= 10x2-xy。

19.(4xy2-2x2y)-( )=x3-2x2y+4xy2+y3。

2 1. Given A=x3-2x2+x-4 and B=2x3-5x+3, calculate a+b = _ _ _ _.

22. given A=x3-2x2+x-4 and B=2x3-5x+3, calculate a-b = _ _ _ _.

23. If a=-0.2 and b=0.5, the value of the algebraic expression -(|a2b|-|ab2|) is _ _ _ _ _.

25. If a polynomial subtracts 3m4-m3-2m+5 to get -2m4-3m3-2m2- 1, then this polynomial is equal to _ _ _ _.

26.-(2 x2-y2)-[2 y2-(x2+2xy)]= _ _ _ _ _ _。

27. If -3a3b2 and 5ax- 1by+2 are similar terms, then x = _ _ _ _ _, and y = _ _ _ _ _.

28.(-y+6+3 y4-y3)-(2 y2-3 y3+y4-7)= _ _ _ _ _ _。

29. The result of simplifying the algebraic expression 4x2-[7x2-5x-3( 1-2x+x2)] is _ _ _ _.

30.2 a-B2+c-D3 = 2a+()-D3 = 2a-D3-()= c-()。

3 1.3a-(2a-3b)+3(a-2b)-b = _ _ _ _ _ _。

32. The simplified algebraic expression x-[y-2x-(x+y)] is equal to _ _ _ _.

33.[5a 2+()a-7]+[()a2-4a+()]= a2+2a+ 1。

34.3x-[y-(2x+y)]=______。

35.Simplify | 1-x+y |-x-y | (where x < 0, y > 0) equals _ _ _ _.

36. It is known that x≤y, x+y-| x+y-| x-y | = _ _ _ _ _

37. Given x < 0 and y < 0, simplify | x+y |-| 5-x-y | = _ _ _.

38.4a2n-an-(3an-2a2n)=______。

39. If you add -3x2y+2x2-3xy-4 to a polynomial, you get.

2x2y+3xy2-x2+2xy,

Then this polynomial is _ _ _ _.

40.-5xm-xm-(-7xm)+(-3xm)=______。

4 1. When a=- 1 and b=-2,

[a-(b-c)]-[-b-(-c-a)]=______。

43. When a=- 1, b= 1 and c=- 1,

-[b-2(-5a)]-(-3b+5c)=______。

44.-2(3x+z)-(-6x)+(-5y+3z)=______。

45.-5an-an+ 1-(-7an+ 1)+(-3an)= _ _ _ _ _ _。

46.3 a-(2a-4 b-6c)+3(-2c+2b)= _ _ _ _ _ _。

48.9 a2+[7 a2-2a-(-a2+3a)]= _ _ _ _ _ _。

50. When 2y-x=5, 5 (x-2y) 2-3 (-x+2y)-100 = _ _ _.

(2) Choose

[ ]

A.2

B.-2;

C.- 10;

D.-6.

52. In the following categories, the calculation result is -7x-5x2+6x3 [].

a . 3x-(5 x2+6 x3- 10x);

b . 3x-(5 x2+6 x3+ 10x);

c . 3x-(5 x2-6 x3+ 10x);

D.3x-(5x2-6x3- 10x)。

53. Combine (-x-y)+3(x+y)-5(x+y) into the same category [].

A.(x-y)-2(x+y);

B.-3(x+y);

C.(-x-y)-2(x+y);

D.3(x+y)。

54.2a-[3b-5a-(2a-7b)] equals []

A.-7a+ 10b;

b . 5a+4b;

C.-a-4b;

D.9a- 10b。

55. The algebraic expression that minus -3m equals 5m2-3m-5 is [].

a . 5(m2- 1);

b . 5m 2-6m-5;

c . 5(m2+ 1);

D.-(5m2+6m-5)。

56. The similar terms in the polynomial 2ab-9a2-5ab-4a2 are combined together respectively, which should be [].

A.(9 a2-4a 2)+(-2 ab-5ab);

B.(9 a2+4a 2)-(2ab-5ab);

C.(9 a2-4a 2)-(2ab+5ab);

D.(9a2-4a2)+(2ab-5ab)。

57. When a=2 and b= 1, -a2b+3ba2-(-2a2b) equals [].

A.20

B.24

C.0

D. 16。

The correct choice is []

A. there is no similar project;

B.(2) and (4) are similar projects;

C.(2) and (5) are similar projects;

D.(2) and (4) are not a category.

59. If both A and B are quintic polynomials, A-B must be [].

A. decagonal polynomial;

B. zeroth polynomial;

C. Polynomials with a degree not higher than five;

D. polynomial with degree less than five.

60.-{[-(x+y)]}+{-[(x+y)]} equals []

A.0

B.-2y;

c . x+y;

D.-2x-2y。

6 1. If A=3x2-5x+2 and B=3x2-5x+6, the sizes of A and B are

[ ]

A.a > B;

B.a = B;

C.a < B;

D. not sure.

62. When m=- 1, -2m2-[-4m2+(-m2)] equals [].

A.-7;

B.3

c . 1;

D2。

63. When m=2 and n= 1, the polynomial -m-[-(2m-3n)]+[-(-3m)-4n] is equal to [].

a . 1;

B.9

C.3

D.5

[ ]

65.-5an-an-(-7an)+(-3an) equals []

A.- 16an;

B.- 16;

C.-2an;

D.-2.

66.(5a-3b)-3 (a2-2b) is equal to []

a . 3 a2+5a+3b;

b . 2 a2+3b;

c . 2 a3-B2;

D.-3a2+5a-5b。

67.X3-5x2-4x+9 equals []

A.(x3-5 x2)-(-4x+9);

b . x3-5x 2-(4x+9);

C.-(-x3+5 x2)-(4x-9);

D.x3+9-(5x2-4x)。

[ ]

The result of 69.4x2y-5xy2 should be []

A.-x2y;

B.- 1;

C.-x2y 2;

D. None of the above answers are correct.

(3) simplification

70.(4x2-8x+5)-(x3+3x2-6x+2)。

72.(0.3x 3-x2y+xy2-y3)-(-0.5x 3-x2y+0.3 xy2)。

73.-{2a2b-[3abc-(4ab2-a2b)]}。

74.(5a2b+3a2b 2-ab2)-(-2ab 2+3a2b 2+a2b)。

75.(x2-2 y2-z2)-(-y2+3 x2-z2)+(5x 2-y2+2z 2)。

76.(3 a6-a4+2 a5-4 a3- 1)-(2-a+a3-a5-a4)。

77.(4a-2b-c)-5a-[8b-2c-(a+b)]。

78.(2m-3n)-(3m-2n)+(5n+m)。

79.(3 a2-4 ab-5 B2)-(2 B2-5a 2+2ab)-(-6ab)。

80.xy-(2xy-3z)+(3xy-4z)。

8 1.(-3x 3+2 x2-5x+ 1)-(5-6x-x2+x3)。

83.3x-(2x-4y-6x)+3(-2z+2y)。

84.(-x2+4+3x4-x3)-(x2+2x-x4-5)。

85. If A=5a2-2ab+3b2 and B=-2b2+3ab-a2, calculate a+b. 。

86. It is known that A=3a2-5a- 12, B=2a2+3a-4, and find 2 (a-b).

87.2m-{-3n+[-4m-(3m-n)]}。

88.5m2n+(-2m2n)+2mn2-(+m2n)。

89.4(x-y+z)-2(x+y-z)-3(-x-y-z)。

90.2(x2-2xy+y2-3)+(-x2+y2)-(x2+2xy+y2)。

92.2(a2-a b-B2)-3(4a-2b)+2(7 a2-4a b+B2)。

94.4x-2(x-3)-3[x-3(4-2x)+8]。

(4) Simplify the following categories before evaluating.

97. Given a+b=2 and a-b=- 1, find the value of 3(a+b)2(a-b)2-5(a+b)2×(a-b)2.

98. It is known that A=a2+2b2-3c2, B=-b2-2c2+3a2, C=c2+2a2-3b2, and find (A-B)+C. 。

99.Find (3x2y-2x2y)-(xy2-2x2y), where x=- 1 and y = 2.

10 1. Given |x+ 1|+(y-2)2=0, find the value of algebraic expression 5(2x-y)-3(x-4y).

I also looked it up on Baidu.