人教版初二数学上册分式的加减法练习题精选6Word下载.docx
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23
p+3np-3n
x+89
xx
6m2m8m
m+5m+5m+5
44
5cd24cd
3n9n
3n+1(3n+1)2
y4
————-———
m2-y2m-y
m2
———+m+3
m-4
3x-y3x
x3+y2x3+y2
31
3y+3a3y-3a
b+53
bb
aa2a
———-———+———
a-1a-1a-1
21
6c2d24c2d
b5b
————-————
2b+3(2b+3)2
m4
m2-n2m-n
———+x-4
x-5
x-7y5x
x+nx-n
y+22
yy
yyy
y+8y+8y+8
33
4cd28cd
2y+9(2y+9)2
m6
m
———-m-8
m-1
x+y5x
x3-y2x3-y2
54
y+by-b
a-69
aa
9x7xx
x-1x-1x-1
8cd4c2d2
a4a
6a-9(6a-9)2
x6
x2-y2x-y
a2
———-a+3
a-6
9x-3y3x
x+y2x+y2
n+65
9n2nn
n-4n-4n-4
12
7c2d8c2d2
x6x
5x-7(5x-7)2
b1
a2-b2a-b
———-m-2
m-7
3x-2y5x
x2+yx2+y
52
m+2nm-2n
x-45
a9a4a
a+1a+1a+1
6cd24c2d2
m6m
5m+9(5m+9)2
a2
a2-n2a-n
———-x+8
x-7
2x+y8y
x+y3x+y3
2m+b2m-b
x+32
2bb5b
———+———+———
b-5b-5b-5
43
8c2d24cd2
2nn
5n+3(5n+3)2
y3
a2-y2a-y
———+x+3
x-9
2m+n2m-n
n-12
aa4a
a+3a+3a+3
32
7c2d8c2d
4x+3(4x+3)2
n4
a2-n2a+n
a
———+a+3
a-8
x-9y2x
13
2p+3b2p-3b
m-44
mm
aa6a
a-2a-2a-2
24
5cd29c2d2
x3x
6x+2(6x+2)2
x2-y2x+y
———-x+3
6x-y9y
x3+yx3+y
3x+q3x-q
a-39
7bb9b
b-9b-9b-9
4c2d29cd2
b2b
5b+4(5b+4)2
b3
x2-b2x+b
———+x+4
x+9y7x
x-y3x-y3
11
p+qp-q
a+78
n5n8n
n+5n+5n+5
8cd2c2d
2m-4(2m-4)2
m2-b2m-b
———-a-8
a-9
4x-4y4x
3p+2q3p-2q
b-27
9mmm
m-6m-6m-6
3c2d5c2d2
2n-4(2n-4)2
n1
m2-n2m+n
m-3
x-y7x
x3+y3x3+y3
51
3m+b3m-b
x-13
x6xx
x-3x-3x-3
6cd7c2d
7xx
3x+2(3x+2)2
———+m-8
m-2
x-y2x
x-y2x-y2
p+bp-b
a+21
a8a3a
3c2d28cd
9a9a
5a-4(5a-4)2
a2-y2a+y
———+m+9
8x+6y4y
p+np-n
y+74
9y8y5y
y-2y-2y-2
3cd3cd2
2b+5(2b+5)2
a1
———+a+7
a-2
x+6y6y
25
m+2bm-2b
n-69
5bbb
b+4b+4b+4
41
5cd7c2d
7y4y
3y-4(3y-4)2
x3
x2-n2x+n
———+a+5
a-3
2m+q2m-q
a-77
7a2aa
a-7a-7a-7
5c2d25c2d2
6yy
3y-3(3y-3)2
m2-b2m+b
———-a+6
a-1
x-7y4x
a-11
4nn3n
n-3n-3n-3
4c2d29c2d2
2x2x
5x+1(5x+1)2
a5
———+a+4
2p+q2p-q
y-11
6b6b7b
b-4b-4b-4
8cd9c2d
2mm
2m+3(2m+3)2
5x-y9x
x3-y3x3-y3
m+3am-3a
n+88
6a2aa
a+5a+5a+5
4c2d22c2d2
6n-5(6n-5)2
———+m-6
m-6
9x+9y4y
3y+3b3y-3b
n-67
y4yy
3cd24c2d
x5x
2x+1(2x+1)2
n2
———+m+8
x+4y3x
x+qx-q
n+63
m9m2m
m+1m+1m+1
8c2d27c2d
9a5a
5a-5(5a-5)2
y6
———+a-4
8x+y4y
x2-yx2-y
35
3m+n3m-n
m-83
5aaa
a+2a+2a+2
6cd6c2d2
4a2a
3a+2(3a+2)2
———-x+4
x+y2y
p+2bp-2b
x-71
xxx
3cd26c2d
b3b
5b+2(5b+2)2
———+m-1
2x-2y5x
2x+q2x-q
y+35
x-6x-6x-6
8cd26c2d
4aa
5a-6(5a-6)2
———-m-5
x+y9x
2m+2b2m-2b
m+74
mmm
m-2m-2m-2
6c2d3c2d2
2m-2(2m-2)2
———+m+1
m-5
2x-2y3y
15
a-67
a4a8a
6c2d23c2d2
9bb
5b-4(5b-4)2
n6
x+4y4x
x2-y2x2-y2
2m+a2m-a
x+67
2xxx
4cd4c2d
6mm
4m+3(4m+3)2
a4
3x+8y8x
m+qm-q
m-46
y9y6y
y-1y-1y-1
6c2d6cd2
3b-7(3b-7)2
x5
———-x-8
5x-y6y
34
x+bx-b
b-43
y2yy
y+9y+9y+9
6c2d9c2d2
3x5x
4x-8(4x-8)2
y1
———-x+1
x-2y3x
3x+b3x-b
n-77
b4bb
2c2d26cd
6m+8(6m+8)2
5x-y3y
y+3qy-3q
b+31
x3xx
7c2d24cd2
4bb
6b+9(6b+9)2
———-a+9
5x+4y3y
x+ax-a
n-66
y2y5y
y+5y+5y+5
7c2d9cd
5yy
6y-5(6y-5)2
———+m-9
8x+y7y
x-yx-y
3m+a3m-a
b-15
2x2x6x
x-5x-5x-5
6c2d5c2d
7n6n
6n-3(6n-3)2
———+m+7
m-9
2x-y7y
a-41
yy3y
9cd5c2d2
2x-4(2x-4)2
———-a-3
6x+8y3x
y+2by-2b
b+91
b+6b+6b+6
9c2d27c2d
6m+4(6m+4)2
———+a-8
3x-y4x
x+2bx-2b
x-86
8x6x4x
x+1x+1x+1
9cd26cd2
3aa
5a+5(5a+5)2
n3
———-m-9
x+y3x
3p+3a3p-3a
n-33
bb9b
b+5b+5b+5
3cd5cd
7mm
3m-4(3m-4)2
———+a-9
a-5