人教版初二数学上册分式的加减法练习题精选10Word下载.docx
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m-9
6x+y6x
x-y3x-y3
21
p+bp-b
y-59
——+——
3m5mm
———-———+———
m-9m-9m-9
41
9cd23cd2
6bb
3b-2(3b-2)2
x4
x2-b2x+b
———+m-2
m-7
6x+y7x
x3+y2x3+y2
53
y+3qy-3q
m+14
mm
y3y5y
y+7y+7y+7
7c2d29c2d
5n5n
3n+6(3n+6)2
n4
a2-n2a-n
a2
———-a+9
a-4
x+y4x
x-y2x-y2
42
m+2nm-2n
x+15
xx
3y3yy
———+———+———
y+6y+6y+6
3cd28c2d2
6x6x
5x-7(5x-7)2
x2-n2x-n
———+a-9
a-1
x+y6x
p+np-n
a+29
bb7b
b-8b-8b-8
44
2c2d25cd2
8x5x
6x+2(6x+2)2
m3
m2-y2m+y
———-m-2
9x+y7x
25
3y+n3y-n
y+21
a3aa
a+9a+9a+9
7cd3c2d2
9y9y
4y+8(4y+8)2
a2
a2-b2a-b
———-m+6
x-y5x
x2-y3x2-y3
x+2nx-2n
x+65
2a2a3a
a-1a-1a-1
22
4c2d29c2d
m3m
6m+9(6m+9)2
m2-b2m+b
———-a-3
a-9
4x-8y2x
x2+y2x2+y2
32
2y+2n2y-2n
x+62
9x9x2x
x+4x+4x+4
5cd7c2d
a2a
2a+3(2a+3)2
y6
a2-y2a+y
x
———+x-8
x-7
x+8y4x
y+by-b
mmm
m-8m-8m-8
6cd4cd
6nn
4n-9(4n-9)2
n6
m2-n2m+n
———+m-4
m-3
9x+5y9y
x+3bx-3b
m+74
8a7a3a
a+3a+3a+3
7c2d22c2d2
6x3x
3x-7(3x-7)2
b5
a
———-a-8
6x+9y3x
11
m-74
7aa5a
a+8a+8a+8
31
5cd27c2d2
3m-6(3m-6)2
y5
———+m-1
4x-y4x
34
m-83
y6yy
y-5y-5y-5
6cd29c2d
3a-1(3a-1)2
x1
———+a-2
a-3
x+y7y
x-yx-y
43
m+3qm-3q
x+84
y4y2y
y+9y+9y+9
9c2d7c2d2
x4x
5x+6(5x+6)2
x2
———-x-4
x-5
x+5y8x
54
3x+2a3x-2a
a-39
9nn3n
n+7n+7n+7
7c2d26cd
5n9n
4n-4(4n-4)2
n1
m2-n2m-n
———+x+2
x-3
6x-4y6y
x3-y2x3-y2
35
3m+2q3m-2q
n+22
nn
a4a7a
a-8a-8a-8
8cd5c2d
3x-6(3x-6)2
y2
x2-y2x+y
———-m+4
m-5
x-y6x
x+y3x+y3
x+2qx-2q
b+41
bb
xxx
7c2d22cd
6xx
6x+1(6x+1)2
x2-b2x-b
———-x+7
2m+2n2m-2n
y-76
8x3x5x
x-6x-6x-6
6cd26cd2
2mm
4m-7(4m-7)2
x2-n2x+n
x-4y6y
m-11
2a4aa
8cd23cd
4n4n
5n+3(5n+3)2
n5
———+x+5
x-1
4x-3y7y
a7aa
5c2d3cd
4nn
6n+2(6n+2)2
m2-y2m-y
———+x-7
x-6
y+2ny-2n
x+39
4x4xx
x+5x+5x+5
2c2d23c2d2
5a-2(5a-2)2
———+a+3
a-2
x-4y5x
y+74
6a2aa
3cd7cd2
b3b
4b-7(4b-7)2
———+x+1
x-y2x
x2-yx2-y
51
x+nx-n
a-17
x+8x+8x+8
3c2d7cd
7a6a
x-9
2x+y9x
3p+2n3p-2n
x+71
3m7mm
m+9m+9m+9
3c2d24c2d
———+m-9
m-8
4x+3y6x
55
a-9a-9a-9
2cd26cd
5a-8(5a-8)2
b6
———+a-5
x-y5y
3y+2q3y-2q
x+51
bb5b
4a-2(4a-2)2
m1
x+yx+y
p+qp-q
n+75
bbb
b+5b+5b+5
2cd28c2d2
5m6m
5m-9(5m-9)2
a3
———-m-8
x+3y8x
2m+2b2m-2b
x-18
m-5m-5m-5
5c2d8c2d2
2b5b
2b+2(2b+2)2
m2
———-m-1
x-y3y
m+19
a8aa
a-6a-6a-6
3cd7c2d
4y3y
2y+8(2y+8)2
x3
x2-y2x-y
a-8
4x+7y6y
y+qy-q
a-23
yy7y
y+2y+2y+2
6c2d4c2d
n8n
———+m+3
5x-y8x
52
3x+a3x-a
y+61
mm5m
m-1m-1m-1
3cd5c2d2
4b6b
3b+2(3b+2)2
m2-b2m-b
———-a-2
a-7
4x+y2y
x2+y3x2+y3
2y+q2y-q
x-73
yyy
y+4y+4y+4
14
6cd2cd
3a+6(3a+6)2
x-7y8x
3m+2a3m-2a
n+27
7x6xx
x-3x-3x-3
9cd9c2d
5x-1(5x-1)2
y3
———+a-7
4x-y7x
x3+yx3+y
2m+3a2m-3a
b-51
6a7a5a
7cd8c2d2
5a8a
———+m+4
x-8y2x
x2-y2x2-y2
m+2qm-2q
y+37
n3nn
n-3n-3n-3
9c2d28c2d2
2xx
b1
———-a-9
a-6
4x-y5x
2x+a2x-a
n-22
n2n9n
n+5n+5n+5
9c2d29c2d2
x8x
2x+5(2x+5)2
8x-5y2x
n-27
m5mm
m+7m+7m+7
4a-3(4a-3)2
———+m-3
8x+8y7x
2x+n2x-n
b-15
9nn7n
n+8n+8n+8
7c2d9c2d
m5m
6m+4(6m+4)2
———+x-4
x-8
x-7y2y
2p+a2p-a
aaa
a+6a+6a+6
4c2d28cd
6m-6(6m-6)2
b2
———-a-4
a-5
x+y6y
p+3np-3n
a+83
m+2m+2m+2
8cd6cd
y6y
5y-9(5y-9)2
———+x-6