七年级数学下册计算题16.docx

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七年级数学下册计算题16.docx

七年级数学下册计算题16

(7k2+3k)-(8k2-2k-1)

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

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

7y2-(2x2-y)+(9x2-7y2)

6

(8x2+5xy-—x)+(3x2+9xy+2x)

7

65

(—xy+3y2-3)-(x2+—xy-7y2-9)

54

11

(xy+—y-—)-(xy+x+1)

58

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

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

(4a2-9a-6b)+(7a2-7a-7b)

7x2+(4x2+4x+4)-(7x+5)

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

6

(7x2-9xy+—x)+(8x2-4xy+2x)

7

93

(—xy+3y2-9)-(x2-—xy+4y2+6)

84

93

(xy-—y+—)-(xy+x+3)

84

(6y-x-9z2)-(8y-8x-5z2)

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

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

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

3y2-(9x2-y)+(7x2+5y2)

4

(4x2-8xy+—x)-(5x2-2xy-9x)

3

51

(—xy+5y2+8)-(x2+—xy+3y2+3)

47

16

(xy+—y-—)+(xy+x+5)

75

(5y-5x-2z2)-(3y+4x+5z2)

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

(7a2-4a+6b)-(2a2-8a-7b)

3x2+(2x2+6x+9)-(7x-8)

9y2-(8x2-y)-(6x2-6y2)

5

(7x2-2xy+—x)-(2x2-3xy+5x)

4

31

(—xy+7y2-7)+(x2+—xy-7y2-1)

43

66

(xy+—y+—)+(xy-x+8)

57

(4y-2x-8z2)+(6y-2x-8z2)

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

(9a2-4a-7b)+(2a2+7a-6b)

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

9y2-(2x2-y)-(2x2-4y2)

6

(9x2-xy-—x)+(9x2+3xy+2x)

5

98

(—xy-8y2-7)-(x2-—xy+2y2+7)

87

31

(xy+—y+—)+(xy+x+6)

45

(y+3x+5z2)+(4y+6x-3z2)

(3k2-k)+(3k2+6k+5)

(5a2+a+8b)+(2a2+4a-7b)

3x2-(2x2-x+2)-(8x-6)

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

4

(2x2+8xy+—x)-(2x2-4xy+7x)

3

53

(—xy-y2+3)+(x2-—xy+3y2+1)

64

31

(xy-—y+—)-(xy+x-4)

44

(2y-x-5z2)+(3y+6x+z2)

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

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

2x2-(2x2-3x+6)-(4x-7)

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

9

(5x2-7xy-—x)+(3x2-5xy-x)

8

91

(—xy-y2+2)-(x2+—xy-8y2-9)

88

81

(xy+—y-—)-(xy+x+7)

74

(5y+3x+5z2)+(4y-9x+4z2)

(8k2-6k)+(2k2-9k+8)

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

7x2-(x2-8x-8)+(5x+6)

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

1

(2x2+5xy-—x)+(9x2+7xy-x)

7

11

(—xy-8y2+9)+(x2+—xy-2y2+8)

73

11

(xy+—y+—)+(xy-x-8)

77

(3y+6x+2z2)+(y-9x-7z2)

(7k2+6k)+(6k2+9k-8)

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

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

5y2-(5x2-y)-(6x2-8y2)

4

(4x2+9xy-—x)+(9x2-4xy+9x)

3

42

(—xy-6y2+3)+(x2+—xy-3y2-6)

53

12

(xy+—y+—)+(xy+x+3)

43

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

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

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

3x2-(5x2-7x+8)-(8x+1)

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

5

(2x2+8xy+—x)+(7x2+5xy+9x)

6

11

(—xy-y2-8)-(x2+—xy+3y2-2)

37

11

(xy+—y-—)+(xy+x+1)

45

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

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

(9a2+3a-2b)-(4a2+6a-8b)

6x2+(x2-3x+5)-(2x+3)

8y2+(x2+y)+(9x2-2y2)

6

(3x2+8xy+—x)-(9x2-2xy+4x)

5

51

(—xy-7y2-5)-(x2+—xy+5y2+5)

65

77

(xy+—y-—)+(xy-x+7)

86

(8y-6x+2z2)+(5y-2x-z2)

(8k2+7k)-(k2-9k-5)

(2a2+8a+5b)+(8a2+6a+b)

9x2-(3x2+5x+6)+(5x+3)

7y2-(6x2+y)-(9x2+y2)

1

(4x2+2xy+—x)+(8x2+5xy-9x)

7

95

(—xy+4y2+5)+(x2-—xy-4y2+5)

86

65

(xy+—y-—)+(xy-x+7)

54

(2y+5x+2z2)-(2y-7x+9z2)

(7k2-8k)-(7k2-2k+1)

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

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

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

6

(7x2-4xy+—x)-(3x2-2xy+x)

7

41

(—xy-2y2-2)-(x2+—xy+y2-6)

33

14

(xy+—y+—)-(xy+x+5)

63

(3y+7x-4z2)-(6y+x+3z2)

(3k2-k)+(4k2-8k-1)

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

4x2+(3x2-8x+1)+(4x+4)

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

4

(2x2+7xy+—x)+(5x2+8xy-6x)

3

74

(—xy-7y2-8)+(x2+—xy-2y2+3)

63

73

(xy-—y-—)-(xy-x-4)

64

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

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

(6a2+8a+7b)-(4a2-a-5b)

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

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

7

(3x2-8xy+—x)-(9x2+9xy+8x)

8

41

(—xy-4y2-8)+(x2-—xy+3y2-6)

53

11

(xy+—y+—)-(xy-x-7)

34

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

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

(3a2-4a-7b)+(2a2-8a+8b)

x2+(3x2-6x-3)+(4x+2)

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

1

(7x2-6xy-—x)+(5x2-3xy-5x)

6

88

(—xy-7y2+3)-(x2+—xy-7y2-6)

77

14

(xy-—y-—)+(xy-x-6)

63

(3y+5x+5z2)+(6y+7x-4z2)

(k2-6k)+(k2+5k-3)

(7a2-8a-9b)-(a2-a-9b)

8x2-(x2+8x-8)+(8x+1)

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

4

(7x2+6xy-—x)+(7x2+7xy+6x)

3

78

(—xy+5y2-5)-(x2-—xy+5y2-4)

67

54

(xy+—y-—)+(xy+x-5)

63

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

(6k2+9k)+(8k2+7k+9)

(5a2+9a-2b)+(6a2+3a-3b)

7x2+(6x2+5x+4)+(6x-3)

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

5

(3x2-7xy-—x)-(6x2+9xy+5x)

4

21

(—xy-7y2-2)+(x2+—xy+5y2-9)

35

76

(xy+—y+—)-(xy-x-9)

67

(8y+9x-2z2)-(2y+4x-2z2)

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

(3a2+4a-9b)+(6a2+4a-b)

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

2y2+(3x2-y)+(4x2+8y2)

1

(4x2-3xy+—x)+(5x2+8xy-x)

7

75

(—xy-5y2-1)+(x2+—xy-6y2+8)

86

17

(xy+—y+—)-(xy-x+6)

48

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

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

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

9x2+(2x2+8x+5)+(8x+7)

8y2-(9x2+y)-(x2+7y2)

1

(4x2-3xy+—x)-(3x2+8xy-2x)

5

53

(—xy+y2+5)-(x2+—xy+5y2+8)

64

95

(xy+—y-—)-(xy-x-4)

84

(y+6x-3z2)-(5y-6x+8z2)

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

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

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

3y2-(2x2+y)+(7x2+4y2)

1

(7x2-5xy+—x)+(5x2+3xy+8x)

5

37

(—xy-2y2-4)+(x2+—xy-4y2-8)

48

17

(xy-—y-—)+(xy+x+2)

38

(7y+9x-z2)-(8y-7x-5z2)

(6k2-5k)+(3k2-k-4)

(7a2+6a-4b)-(4a2-9a+8b)

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

5y2-(7x2+y)+(6x2+7y2)

1

(7x2-7xy+—x)+(3x2-4xy+4x)

8

17

(—xy-2y2-3)+(x2-—xy+4y2-2)

78

71

(xy+—y-—)+(xy-x+7)

67

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

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

(4a2-7a+9b)-(7a2+7a+8b)

9x2-(9x2+x+6)-(4x+7)

9y2-(9x2-y)+(3x2-4y2)

8

(9x2+4xy-—x)+(7x2-5xy-4x)

7

74

(—xy-6y2-5)+(x2+—xy+6y2+2)

83

22

(xy+—y-—)+(xy+x-7)

33

(6y+8x+z2)-(2y+3x-3z2)

(9k2+3k)-(4k2-k-9)

(7a2+2a+9b)-(5a2-4a-2b)

7x2-(9x2+9x-1)+(5x+8)

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

9

(x2-3xy+—x)+(7x2+5xy+5x)

8

95

(—xy-8y2-5)-(x2-—xy+7y2-8)

84

27

(xy-—y+—)-(xy+x-3)

38

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

(2k2+3k)+(4k2+4k+9)

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

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

3y2-(3x2-y)-(8x2-7y2)

2

(7x2-7xy+—x)-(2x2-2xy+8x)

3

14

(—xy-4y2-6)+(x2-—xy+3y2-9)

43

83

(xy-—y+—)-(xy-x+1)

74

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

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