七年级数学下册计算题10.docx

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七年级数学下册计算题10.docx

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七年级数学下册计算题10.docx

七年级数学下册计算题10

(2k2-6k)-(5k2+7k-1)

(a2-5a-2b)+(2a2-a+7b)

2x2+(2x2+6x-9)-(3x+6)

6y2+(4x2-y)+(2x2+2y2)

6

(3x2-9xy+—x)-(2x2-2xy-3x)

7

55

(—xy-y2+1)-(x2-—xy-4y2+8)

66

81

(xy-—y+—)-(xy-x-4)

77

(4y+5x+9z2)-(y-x+2z2)

(8k2+8k)-(4k2-6k-3)

(5a2+8a-3b)+(3a2+3a-9b)

x2+(8x2-7x+7)-(4x+4)

y2+(9x2-y)+(x2+5y2)

8

(6x2+2xy+—x)+(2x2+4xy-4x)

7

16

(—xy-3y2+9)-(x2+—xy-9y2+1)

65

41

(xy-—y-—)+(xy-x-6)

58

(7y-7x+z2)+(9y+x+5z2)

(2k2+8k)-(8k2+3k+6)

(7a2-3a+3b)+(a2-7a+7b)

9x2-(2x2+4x-9)+(8x-4)

y2-(5x2-y)-(6x2-y2)

9

(5x2-9xy+—x)+(8x2+3xy+x)

8

11

(—xy-5y2+1)-(x2+—xy-2y2+9)

37

41

(xy-—y+—)-(xy-x+8)

56

(8y+9x+6z2)-(4y+3x-8z2)

(3k2+3k)-(2k2+7k+9)

(4a2+a-3b)-(2a2-6a-5b)

5x2-(3x2-x-7)+(8x-8)

y2-(5x2+y)-(5x2+4y2)

9

(3x2+3xy+—x)-(3x2-3xy-4x)

8

11

(—xy+8y2+4)-(x2+—xy-8y2+5)

47

71

(xy+—y-—)-(xy-x+1)

64

(5y-2x-2z2)+(y-x-5z2)

(5k2-7k)-(5k2-7k+5)

(8a2+9a+b)-(6a2+a+5b)

x2+(3x2+9x+5)-(2x+9)

3y2+(6x2-y)+(4x2-3y2)

5

(3x2-9xy+—x)+(9x2+9xy-x)

6

11

(—xy+6y2-4)-(x2+—xy-9y2-3)

87

73

(xy-—y+—)+(xy-x-3)

84

(7y-x-3z2)-(5y+8x-2z2)

(9k2-3k)-(6k2-k+2)

(6a2-3a+5b)+(a2+5a+5b)

8x2+(2x2+7x+6)-(8x-4)

5y2-(3x2-y)-(2x2+8y2)

3

(9x2-8xy+—x)-(7x2-3xy-6x)

4

55

(—xy+6y2-2)+(x2+—xy+2y2-6)

66

65

(xy+—y-—)+(xy-x-6)

74

(y+9x-8z2)-(3y+3x+5z2)

(3k2+k)+(4k2-2k+1)

(5a2+3a+b)-(8a2+7a+3b)

2x2-(3x2-5x+4)-(x-4)

7y2+(5x2-y)-(5x2+5y2)

1

(2x2+9xy+—x)+(x2+7xy+6x)

7

11

(—xy+5y2-3)-(x2+—xy+5y2-7)

67

21

(xy+—y+—)-(xy-x+6)

38

(2y-8x+5z2)-(y-9x-z2)

(4k2-k)+(5k2+8k-9)

(2a2+4a-5b)+(2a2+9a-3b)

8x2-(x2-6x+9)-(2x+7)

2y2-(3x2-y)+(6x2-9y2)

1

(9x2+5xy-—x)-(6x2+9xy+4x)

5

17

(—xy+2y2+3)-(x2-—xy+9y2-1)

48

63

(xy+—y-—)+(xy+x+1)

74

(3y+8x+7z2)-(6y+3x-8z2)

(2k2-9k)+(4k2-8k+1)

(a2+4a+3b)+(8a2+3a+6b)

2x2+(7x2-7x+7)+(9x-2)

2y2-(2x2-y)-(5x2+7y2)

1

(9x2-8xy+—x)-(9x2-8xy-4x)

5

53

(—xy+4y2-1)+(x2+—xy+y2+3)

44

16

(xy+—y+—)-(xy-x+8)

77

(9y+x-2z2)-(2y-x-2z2)

(5k2+7k)+(k2-k-9)

(a2+5a-2b)+(a2-a+5b)

9x2-(2x2+8x+3)-(2x+8)

5y2-(4x2+y)+(2x2+2y2)

1

(6x2+9xy+—x)+(7x2+8xy+6x)

7

61

(—xy-4y2+1)-(x2-—xy-2y2-1)

77

85

(xy+—y-—)-(xy+x+1)

74

(9y+3x-9z2)+(6y+9x+z2)

(5k2+3k)-(8k2-3k-4)

(4a2+7a-5b)+(a2-6a+6b)

x2-(3x2-x-3)+(4x+1)

3y2+(7x2+y)+(3x2-5y2)

5

(3x2+9xy+—x)-(7x2-8xy+5x)

4

61

(—xy-3y2-7)-(x2-—xy-2y2+3)

74

12

(xy-—y+—)-(xy+x-9)

83

(3y-x-9z2)+(8y+4x-7z2)

(8k2+6k)-(5k2-5k-1)

(7a2+8a-5b)+(5a2+6a+7b)

8x2+(3x2+9x+4)-(7x+9)

3y2+(9x2-y)-(6x2+6y2)

6

(5x2+5xy+—x)-(5x2+4xy-4x)

5

16

(—xy-6y2+9)-(x2+—xy+6y2+1)

85

61

(xy-—y-—)-(xy-x-1)

75

(y+3x-z2)+(7y+x+4z2)

(9k2+8k)+(2k2-k+5)

(4a2-8a+9b)-(6a2+5a-8b)

2x2-(9x2+5x-8)+(3x+3)

5y2+(9x2-y)+(5x2+5y2)

3

(5x2-8xy+—x)-(5x2-4xy+7x)

4

57

(—xy+9y2+9)-(x2-—xy-2y2+7)

66

11

(xy+—y+—)+(xy+x+9)

86

(8y+8x-3z2)-(3y-8x-8z2)

(k2-k)+(4k2-3k+8)

(7a2-3a-3b)-(4a2-8a-3b)

7x2+(7x2+7x+8)-(9x-9)

4y2-(6x2-y)-(7x2-2y2)

1

(4x2-7xy+—x)-(7x2+xy+4x)

6

21

(—xy+5y2+9)+(x2-—xy-4y2+2)

35

35

(xy+—y-—)-(xy-x+8)

44

(6y-6x+4z2)+(9y-2x+5z2)

(7k2+5k)-(2k2+5k+1)

(3a2+2a+8b)+(3a2+6a-3b)

x2-(3x2+6x-7)-(6x+1)

6y2+(8x2-y)-(6x2-4y2)

4

(x2+8xy-—x)-(4x2-8xy-3x)

3

15

(—xy-7y2+2)+(x2+—xy+4y2+6)

44

11

(xy+—y+—)-(xy-x-7)

33

(5y+9x+8z2)-(5y+3x+3z2)

(k2+9k)-(2k2+7k+9)

(5a2-2a+6b)+(2a2+a-7b)

x2-(2x2-8x-9)-(x+2)

4y2-(3x2+y)+(5x2+3y2)

3

(3x2+xy+—x)-(6x2+7xy-3x)

4

14

(—xy+2y2-6)-(x2-—xy-y2-1)

73

16

(xy-—y+—)-(xy+x+6)

65

(6y+9x+z2)-(y+8x+3z2)

(6k2+k)+(4k2-2k+7)

(8a2-2a+3b)-(3a2+a+2b)

9x2-(4x2+9x+9)+(4x+2)

6y2+(6x2+y)-(5x2+5y2)

7

(3x2-6xy+—x)+(5x2+7xy-5x)

6

64

(—xy-8y2+7)+(x2-—xy+8y2-9)

55

23

(xy+—y-—)-(xy-x+6)

34

(6y+9x+5z2)-(y-9x+6z2)

(k2-9k)-(8k2-4k+7)

(3a2+2a-6b)-(3a2+a-7b)

5x2+(x2+6x-7)+(x+3)

4y2+(2x2-y)+(5x2-6y2)

7

(3x2+9xy-—x)-(5x2-9xy-2x)

8

71

(—xy-3y2+8)-(x2+—xy-5y2-1)

87

31

(xy-—y-—)-(xy+x-1)

43

(y+3x+8z2)-(8y-8x+2z2)

(3k2+6k)+(7k2+6k-8)

(2a2-5a+9b)-(8a2+3a+4b)

3x2-(5x2+3x+9)-(x+2)

6y2-(9x2-y)+(x2-4y2)

4

(2x2-7xy+—x)+(9x2-8xy+3x)

5

63

(—xy+5y2-2)+(x2+—xy-3y2-4)

74

77

(xy+—y+—)-(xy+x+7)

66

(3y+2x-z2)-(3y+5x+9z2)

(7k2-9k)+(4k2-4k+4)

(4a2-6a-6b)-(8a2-3a+b)

x2-(x2+8x+5)-(9x-2)

5y2+(4x2-y)-(6x2+5y2)

3

(2x2+6xy-—x)-(x2+xy-x)

4

14

(—xy+6y2+7)-(x2+—xy-y2+2)

75

55

(xy-—y-—)-(xy-x+7)

44

(y-4x+3z2)-(9y-6x+3z2)

(k2-7k)-(5k2-5k-9)

(3a2-2a-5b)+(9a2-3a-3b)

6x2-(7x2-9x-9)-(9x-9)

y2-(7x2+y)+(7x2+4y2)

1

(9x2+2xy-—x)+(8x2-2xy-7x)

3

91

(—xy+8y2-6)-(x2+—xy+6y2+6)

84

28

(xy-—y+—)-(xy-x+6)

37

(6y+8x-8z2)+(3y-8x-4z2)

(k2-2k)+(7k2-4k+8)

(6a2-5a-2b)-(7a2+2a+2b)

6x2+(x2+3x+2)+(2x+1)

y2-(9x2-y)-(9x2-2y2)

4

(8x2-5xy-—x)-(x2-6xy+7x)

5

77

(—xy-8y2+1)+(x2+—xy-4y2+5)

86

44

(xy+—y-—)-(xy-x+7)

55

(y+3x+z2)-(3y-4x-9z2)

(3k2+7k)+(k2+2k+5)

(4a2+9a+6b)+(2a2+6a+4b)

8x2+(8x2-7x-6)-(9x-8)

8y2+(3x2-y)+(x2-9y2)

8

(3x2-3xy+—x)+(x2+6xy+9x)

7

11

(—xy-3y2+8)-(x2-—xy-5y2+9)

46

29

(xy+—y+—)+(xy+x+5)

38

(3y-8x+3z2)-(8y-4x+9z2)

(6k2-2k)+(5k2+9k-4)

(3a2+8a-3b)-(a2-2a-8b)

4x2+(8x2+6x+9)-(3x+3)

3y2-(x2-y)+(2x2-5y2)

4

(3x2-4xy+—x)+(2x2+8xy+4x)

3

15

(—xy+9y2+2)-(x2-—xy+y2-7)

46

11

(xy+—y-—)+(xy+x-3)

75

(5y-7x+8z2)-(4y+6x+6z2)

(5k2-6k)-(9k2-9k-5)

(6a2+6a+4b)-(2a2+7a-b)

7x2+(2x2-7x+2)+(8x-3)

8y2-(4x2+y)+(3x2-y2)

6

(5x2+2xy+—x)+(2x2+3xy-8x)

5

81

(—xy-4y2+6)+(x2-—xy+3y2+4)

74

14

(xy-—y+—)-(xy-x-1)

65

(2y+4x-z2)-(4y+6x+2z2)

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