化简:(y2x2)3÷(-4xy2)-2=______.

化简:(y2x2)3÷(-4xy2)-2=______.

题型:填空题难度:一般来源:不详
化简:(
y
2x2
3÷(-
4x
y2
-2=______.
答案
y
2x2
3÷(-
4x
y2
-2=
y3
8x6
×
16x2
y4
=
2
x4y
举一反三
(1)化简:
x+1
x
÷
x2-1
x2

(2)用配方法解一元二次方程:x2-2x-2=0
题型:解答题难度:一般| 查看答案
计算:
b
a
c
b
=______.
题型:填空题难度:一般| 查看答案
(1)
b
a
a
b

(2)
b
a
b
a

(3)
2
xy
x
8

(4)
5y2
4x
8x2
15y3

(5)
b
9a2
•(-63a2b)
(6)-
5ab
18xy
9x2y3
10a2b

(7)-
18a2b2
7cd
÷
9ab3
7c2d4

(8)-
b2c
2a2
÷(
-bc2
4a
)

(9)
3a
4b
÷(-9a2b)
(10)
4x4y2
15a3
÷
-8x2y2
35a2
题型:解答题难度:一般| 查看答案
(1)
x+y
x-y
1
(x+y)2

(2)
a-b
a2+ab
÷
ab-a2
a2b2-a4

(3)
x2+7x-8
4x-x3
x2-4
3x+24

(4)
x2+2xy+y2
xy-y2
÷
xy+y2
x2-2xy+y2

(5)x÷
1
x
•x
(6)
x3+x2
1-x2
÷x•
1
x

(7)9a2
3a
4b
•4ab2
(8)
a-4
a2+4a+4
a2+5a+6
a2-a-2
÷
a+3
a-2

(9)
x2+xy
x2-xy
÷(x-y)•
x2-xy
xy

(10)(-
a2
b
)2
(
b
a
)3
(
1
ab
)4

(11)[
(x-y)2
x+y
]3
(
x2
y2-x2
)3

(12)(
x-1
x2-x-2
)2
÷
x2-2x+1
2-x
÷(
1
x2+x
)2
题型:解答题难度:一般| 查看答案
ab3
a3b2
÷(-
4b
a
)2
=______.
题型:填空题难度:一般| 查看答案
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