人教版初二数学上册分式的加减法练习题精选12Word文件下载.docx
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n+85
nn
yyy
———+———-———
y-1y-1y-1
32
9cd4c2d2
y8y
6y-6(6y-6)2
y2
m2-y2m+y
———+m-2
m-9
6x-6y3y
22
y+qy-q
y+69
7mmm
m+4m+4m+4
11
6c2d22cd
a8a
4a+4(4a+4)2
x2-n2x-n
x2
———-x-2
x-4
x+8y3y
x3-y2x3-y2
42
3x+2b3x-2b
x+63
xx
nn3n
n-6n-6n-6
41
3c2d4c2d
6y-3(6y-3)2
a5
a2-n2a+n
x+y6x
x+y3x+y3
2y+2q2y-2q
y-77
4m4mm
m-8m-8m-8
43
2cd6cd2
a9a
3a+9(3a+9)2
b1
m2-b2m+b
m
———+m+8
m-2
x-8y4y
x+y2x+y2
35
y+2ay-2a
a-46
2xxx
x-6x-6x-6
44
4cd9c2d
mm
4m+8(4m+8)2
y3
x
———-x+6
7x-4y8x
x2-y2x2-y2
34
3x+3q3x-3q
n+87
a7aa
a-3a-3a-3
24
7c2d4cd
4m7m
6m-9(6m-9)2
a1
———-x+4
x-3
x-4y7x
23
2y+2a2y-2a
a-58
3aaa
a+7a+7a+7
14
4cd29c2d2
4nn
3n+1(3n+1)2
x2-b2x+b
a
———-a+8
a-7
x-y8y
x2+y3x2+y3
2m+3a2m-3a
b+35
bb
n7n9n
———+———+———
n-9n-9n-9
31
6cd3cd
2xx
4x-9(4x-9)2
x4
———+a-5
a-8
x-7y9x
x+ax-a
y+42
b4bb
b-8b-8b-8
4c2d24c2d
b7b
4b-7(4b-7)2
m2-y2m-y
9x+y8y
2p+3b2p-3b
m+36
7bb6b
b+9b+9b+9
33
7c2d28c2d2
4n+8(4n+8)2
a6
a2-y2a+y
———-x-4
9x-2y7y
x3-y3x3-y3
25
m+qm-q
a+61
8xx7x
x+5x+5x+5
9c2d26c2d
8a8a
4a+9(4a+9)2
a2
———-a+2
a-3
8x+y5x
x3+y2x3+y2
15
p+2np-2n
y-14
y7y3y
y+6y+6y+6
6cd27cd2
5x+2(5x+2)2
b2
a2-b2a+b
———+a+3
x-y6x
m+3nm-3n
m+48
7xx7x
x-2x-2x-2
9c2d8cd2
9m9m
5m+8(5m+8)2
x-8
x+y5x
2m+q2m-q
a-13
xx6x
2c2d28cd2
2b-5(2b-5)2
b6
———+m+6
m-8
x+8y7x
3m+3q3m-3q
b+64
4b2b2b
b+3b+3b+3
7cd6cd2
4y7y
3y-5(3y-5)2
n6
a2-n2a-n
———-x-8
x+8y9x
2y+b2y-b
n-36
bbb
b-7b-7b-7
2c2d23c2d
8aa
6a+4(6a+4)2
n1
———-x+8
x-7
9x+7y7x
x2-y3x2-y3
45
x+bx-b
yy8y
9cd27cd
5bb
2b+5(2b+5)2
b5
———-m-8
9x+y6y
x-y2x-y2
y+ay-a
y+57
7y6yy
y+3y+3y+3
8cd6c2d2
2a-5(2a-5)2
a2-y2a-y
m-7
x+5y3y
x3-yx3-y
21
3m+2q3m-2q
m-16
7y8yy
y+4y+4y+4
8cd3cd2
5n4n
3n-8(3n-8)2
n2
x2-n2x+n
x+4y9x
3p+3n3p-3n
x-82
x8xx
x+8x+8x+8
7c2d7c2d2
4y4y
2y-2(2y-2)2
———-x-7
x-1
9x+9y7y
m+am-a
a+63
8m5m6m
m-4m-4m-4
13
7c2d26c2d
9m2m
2m-3(2m-3)2
n4
m2-n2m-n
———-x-9
x-5
3x-8y7x
52
3p+2b3p-2b
m-84
m5m3m
m-5m-5m-5
3cd24c2d2
5b+8(5b+8)2
———+m+3
7x+4y4y
x3+yx3+y
x+2nx-2n
x-18
9a9a7a
a-5a-5a-5
3cd29cd2
5yy
5y+6(5y+6)2
x2-b2x-b
———-a-4
7x+y4x
3p+3q3p-3q
b+43
n2n8n
n-2n-2n-2
5c2d24cd
6mm
2m-4(2m-4)2
n5
———-a-5
4x-y8x
n+73
8y4y9y
2cd3cd2
2y-3(2y-3)2
m5
———-a+6
a-2
5x-7y9y
x-yx-y
3y+2b3y-2b
aa4a
7c2d6c2d2
6m-6(6m-6)2
y6
5x+y3x
2m+a2m-a
y+32
8n3nn
n-4n-4n-4
3cd9cd
x5x
5x-4(5x-4)2
x-y4x
2x+n2x-n
x-65
xx3x
x-3x-3x-3
7cd24c2d2
2b2b
5b-9(5b-9)2
m6
———+x-9
x-9
x+5y2y
55
2y+3q2y-3q
m+56
2m3m9m
5c2d26cd
———-a+3
9x+4y3y
m+nm-n
a+38
n7n3n
n-8n-8n-8
2cd9cd2
4y6y
2y+5(2y+5)2
m2-b2m-b
x+9y2x
3p+2q3p-2q
b-76
aa9a
a+6a+6a+6
3c2d8c2d
m4m
———+a+9
3x-7y7y
2x+b2x-b
m+42
xx4x
x+9x+9x+9
8c2d8c2d2
5m-6(5m-6)2
m3
———-x-6
9x+2y8x
p+2qp-2q
b-88
b7b3b
b+1b+1b+1
7c2d5c2d
3n-7(3n-7)2
———-m+2
m-4
x+9y6y
b-84
xxx
x+2x+2x+2
5cd23cd
5n-8(5n-8)2
x+y4x
m-75
7mm7m
5x6x
2x+7(2x+7)2
y4
———+a+5
a-6
x+y9y
2p+q2p-q
m+29
y-3y-3y-3
3cd4cd2
4xx
5x-1(5x-1)2
a2-b2a-b
———-a-7
8x+9y5y
y+ny-n
m+15
7b4bb
b-5b-5b-5
3c2d2c2d2
b3
———+x-8
x-2
x-y3y
3y+2n3y-2n
b+15
bb9b
b-3b-3b-3
6cd7c2d2
b6b
2b+7(2b+7)2
———+x+1