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部编版八年级数学上册单项式乘多项式综合练习58

2023-02-20 来源:爱问旅游网


(-x2)(6x-6)

4 1 (—ab2+4ab)•—ab 5 4

(9×102)×(-6×107)

7a(5a-7b) (7x+7y)(-2x)

2x(2x-4)-x(3x-4)+4x(3x-1)

(-8a2b4)(-7a) (-2x)3(4x4y3)

-4x2•2x4 8y•(-2xy3) (4x)3•7x4

(2a)3•(-4a)3

(-x2)(-2x+3)

-7a3•3a2 6a(3a-6b) -5y•2y

(9x-9y)(-3x)

5 1

(—ab2-4ab)•—ab3 4x(x-3)+2x(x+3)-2x(2x-2)

6 5

(4×105)×(-6×103) (-7a3b)(-2a)

-5x•3x3 5y4•(-3xy3) (-4x)2•3x3

-4x)3(2x3y5)

(

(3a)2•(4a)2 6a•3a4 -5y2•5y2

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

4 1 (—ab2-6ab)•—ab3 5 4

2a(5a+8b) (8x+3y)(-2x)

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

(5×104)×(-5×103) (-ab)(-2a) (2x)3(2x2y2)

-8x3•5x (-4a)2•(2a)3

-9y3•(-4x4y)

8a•4a4

(3x)2•9x2

5y2•7y

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

4 1 (—ab2-6ab)•—ab 5 4

(3×103)×(-5×109)

-4a(4a+8b) (9x-7y)(-3x)

x(4x-2)+4x(x-2)+x(x+4)

(-ab4)(-9a4) (-3x)3(-4x3y4)

6x2•3x -6y•(-2x2y) (-4x)2•2x2

(2a)3•(4a)2 (-2x3)(9x-8)

-5a4•4a 9y3•7y

-4a(2a-6b) (2x+4y)(-8x)

7 1

(—ab2+2ab)•—ab 3x(x-2)-x(4x+3)+3x(x-1)

6 7

(7×105)×(-7×103) (-a2b)(-6a) (4x)2(-4x4y4)

6x4•8x 8y•(-9x3y4) (-3x)2•5x3

(-4a)2•(3a)3

(-8x4)(-8x+9)

5 1 (—ab2+2ab)•—ab2 6 5

-3a•4a3 -4y•4y3

8a(4a-4b) (7x-7y)(-2x)

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

(2×106)×(-7×102) (-a4b2)(-5a) (3x)2(-4x2y4)

-5x4•7x3 (-2a)3•(-2a)3

-7y•(-3xy2)

7a•8a2

(4x)3•5x3

8y•9y

(-5x3)(4x+1)

2 1 (—ab3-5ab)•—ab3 3 2

(8×103)×(-6×108)

-3a(7a+4b) (3x-8y)(-9x)

4x(x-1)+x(4x-4)+x(4x-4)

(-9a3b)(-7a) (4x)3(2x4y3)

-3x•4x 3y•(-4xy) (3x)3•2x4

(-3a)2•(-2a)3

(-5x4)(-3x+6)

4a2•8a -9y2•3y

-4a(6a-2b) (9x+9y)(-8x)

4 1

(—ab3+2ab)•—ab2 4x(4x+1)-x(2x-4)+x(4x-1)

3 4

(7×108)×(-4×108) (-a4b)(-6a4)

9x•6x2 3y2•(-9xy3) (4x)3•3x2

(3x)3(4x2y4)

(3a)3•(-2a)2

(-x2)(-8x-5)

4 1 (—ab2+6ab)•—ab2 5 4

-2a•4a3 -2y2•3y

-6a(7a+6b) (3x+7y)(-2x)

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

(4×107)×(-8×107) (-9ab)(-7a) (4x)2(4x4y5)

7x3•2x (-2a)3•(-4a)2

6y3•(-5xy)

-6a4•4a

2•7x4

-5y•5y

(4x)

(-9x2)(9x+8)

4 1 (—ab3+4ab)•—ab3 5 4

(2×109)×(-4×104)

6a(2a+7b) (9x+6y)(-2x)

x(x+1)+2x(4x+1)+x(4x-2)

(-8ab)(-5a2) (3x)2(-2x2y4)

9x3•8x -5y4•(-9x2y) (3x)3•4x2

(-3a)3•(-3a)3

7a•7a 4y•6y

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