北师大版数学七年级下册计算题大全 (110)

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(x-6y)(x y) (-3a-3b)(3a+4b)

(8x-3y)(x+

4y)

q)

2x

a4x4

ax2)

(-5πr 2h +3πr h 3

)÷(41πrh) (10a 2

ab 2)3

3y 2z

3y 2z 2) (8x)2•y 3÷(16x 3y 2)

(-a 2b)4

2)

-2x 3y 3(9x 2yz -3y 2z)

a)(101

a

) (x -2y)(x (-5a -3b)(6a +4b) (2x -7y)(x +3y)

q)

4x

a 3x 2

ax 2) (-5πr 2h +4πr h 2

)÷(61πrh)

(6a 2

ab 2)2

3y 3z

32z 3)

(6x)3•y3÷(8x3y3)

(-a2b)2

ab2)

-6x3y2(3x2yz-4y2

z)

a)(

10

1 a

)

(x -4y)(x

(-2a -3b)(3a +3b) (7x -4y)(x +3y)

2x

a 2x 4

2) (-3πr 2h +5πr h 3

)÷(51πrh)

(10a2

ab2)2

2y2z

22z2) (2x)3•y2÷(18x3y2)

(-a2b)2

2)

-6x2y2(2x2yz-2y2z)

a)(41a

) (x -9y)(x y) (-5a -6b)(7a +4b) (5x -5y)(x +

3y)

3x

a 2x 3

2) (-4πr 2h +6πr h 2

)÷(21πrh)

(6a 2

ab 2)3

3y 3

z 2y 3z 3) (4x)2•y 3÷(2x 2y 3)

(-a 2b)3

ab 2) -3x 2y 3(5x 2yz -2y 2

z) a)(101

a

) (x -8y)(x (-3a -3b)(6a +4b)

(5x-5y)(x+4y)

q)

2

x a4x4

ax2)

(-5πr3h+6πr h2)÷(

4

1

πrh)

(2a

2ab2)2

x 3y 3z 2

2z 3) (10x)2•y 2÷(12x 2y 2)

(-a 2b)3

ab 2) -3x 3y 3(4x 2yz -4y 2

z) a)(81

a

)

(x-4y)(x y) (-4a-4b)(9a+4b)

(9x-4y)(x+

2y)

3x

a3x3

ax2)

(-4πr 3h +6πr h 3

)÷(31πrh) (4a 2

ab 2)2

2y 3z

32z 2) (4x)2•y 3÷(14x 2y 3)

(-a 2b)2

ab 2)

-5x 3y 3(4x 2yz +5y 2z)

a)(21

a

) (x -8y)(x y) (-4a -3b)(4a +4b) (2x -4y)(x +2y)

2x

a 3x 3

ax 2) (-4πr 2h +5πr h 2

)÷(51πrh)

(10a 2

2)3

3y 2z

23z 2)

(4x)3•y2÷(14x2y3)

(-a2b)3

ab2)

-3x2y3(4x2yz-3y2

z)

a)(

4

1

a

(x -6y)(x y)

(-4a -3b)(2a +2b) (4x -4y)(x +3y)

4x

a 2x 4

2) (-3πr 2h +2πr h 2

)÷(51πrh)

(10a2

ab2)3

2y2z

33z2) (10x)2•y2÷(8x2y3)

(-a2b)3

ab2)

-5x3y2(6x2yz+4y2z)

a)(21a

) (x -5y)(x (-3a -3b)(7a +4b) (7x -5y)(x +

3y)

3x

a 3x 3

2) (-4πr 3h +2πr h 2

)÷(31πrh)

(10a 2

ab 2)2

3y 3

z 2y 2z 2) (4x)3•y 3÷(6x 2y 2)

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