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)