人教版初二数学上册分式的加减法练习题精选4Word文件下载.docx
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m+66
mm
9xxx
———-———+———
x-2x-2x-2
21
3cd28c2d
bb
————+————
5b-6(5b-6)2
x1
x2-n2x-n
x2
6x-y2x
x3+y3x3+y3
23
2p+2a2p-2a
n+57
2m9m4m
———+———+———
m+6m+6m+6
42
9cd3cd
x4x
5x+2(5x+2)2
————-———
a2-b2a+b
———+a+5
a-1
2x-y9y
12
m+3nm-3n
b-99
——-——
b5bb
b+5b+5b+5
41
9c2d26c2d2
yy
3y-3(3y-3)2
b6
a2-b2a-b
a2
———-a+7
a-9
4x+7y4y
51
p+bp-b
m+68
6y8yy
y-4y-4y-4
32
7c2d7c2d
x5x
6x+3(6x+3)2
b2
———+x-1
x-7
6x+3y2y
x2+y3x2+y3
31
3m+3b3m-3b
a+37
aa
aaa
a-7a-7a-7
2c2d29c2d2
2mm
4m+8(4m+8)2
y1
———-x+9
x-6
x-6y5y
x+y2x+y2
3p+3a3p-3a
x-19
5x8xx
x+9x+9x+9
9cd8c2d
5x+3(5x+3)2
n2
m2-n2m+n
———+x+7
x-3
8x+y7x
13
p+3np-3n
b-77
6n8n5n
n-7n-7n-7
14
3c2d7cd
2y+2(2y+2)2
n4
a2-n2a+n
———+x-2
x-8
3x+y2y
54
3x+3a3x-3a
a-42
n8n2n
n+1n+1n+1
44
7cd6c2d
6n-9(6n-9)2
y6
x2-y2x+y
m
———-m-2
m-8
x+y3y
x-yx-y
y+3ny-3n
n-82
7y3y6y
y+4y+4y+4
2cd4cd2
4b+9(4b+9)2
a2-n2a-n
———-a+4
x-5y5x
x+yx+y
3x+2n3x-2n
x-54
m6mm
———-———-———
m-5m-5m-5
3cd3c2d
7n5n
3n-7(3n-7)2
———-m+9
m-3
8x-y5y
p+2qp-2q
y-74
8a2aa
a+1a+1a+1
24
4c2d24c2d2
6n-6(6n-6)2
b1
m2-b2m-b
———+x+2
x-9
x+y6y
x3+yx3+y
y+ny-n
m-89
mmm
3cd3cd
2m+8(2m+8)2
m2-y2m-y
a-4
x+2y3y
x+3nx-3n
y+46
7b9b2b
b-3b-3b-3
34
3c2d27c2d
3y+9(3y+9)2
a4
———-x+6
x-7y4x
3x+3q3x-3q
a-76
a6aa
a+3a+3a+3
9c2d29cd2
4a8a
6a+5(6a+5)2
———-a+9
2x-6y2x
m+qm-q
y+18
y9yy
y+2y+2y+2
2c2d9c2d
3xx
2x+7(2x+7)2
a5
———+a+8
a-5
4x+9y4y
x2-yx2-y
y+3by-3b
m+88
9y5y6y
y+3y+3y+3
3c2d3c2d
3b-3(3b-3)2
m4
———+x+8
x-5y3x
x2+yx2+y
m+3qm-3q
y+56
6mm5m
m+5m+5m+5
5cd5cd
5x+4(5x+4)2
y5
a2-y2a+y
m2
———+m+5
m-1
x-y8x
x2-y3x2-y3
a-37
8aaa
22
4cd8c2d2
6m-3(6m-3)2
———+m-8
5x-5y9x
x+83
x9x6x
7cd4c2d2
6n+8(6n+8)2
———-m+8
8x+8y6y
x-41
bb7b
b+3b+3b+3
7cd8cd2
a9a
4a-5(4a-5)2
m5
———+m-7
m-6
4x+3y4x
2y+2b2y-2b
x+25
m+3m+3m+3
2c2d3cd2
a5a
2a-5(2a-5)2
a2
———-a-7
a-8
x-y5y
3y+q3y-q
y+32
nn7n
n-3n-3n-3
8c2d25c2d2
3a+4(3a+4)2
m6
———-m-5
8x-9y9x
3m+b3m-b
a+85
6a7aa
4cd6c2d
a4a
4a+7(4a+7)2
y4
———+x-8
x-6y5x
53
2x+a2x-a
x-74
m8m8m
m-9m-9m-9
2c2d4cd2
x2x
4x+6(4x+6)2
m2-b2m+b
———+a-8
2x-y9x
x3-y3x3-y3
2x+q2x-q
m+92
4n8nn
n-2n-2n-2
4c2d4c2d
4nn
2n-8(2n-8)2
x4
———-m-1
m-7
7x+4y3y
x+ax-a
m+76
xx6x
x+2x+2x+2
4cd27c2d2
3bb
2b-1(2b-1)2
m2
m2-n2m-n
———+m+1
m-5
8x-6y4y
x3+y2x3+y2
2p+b2p-b
n-38
y7y2y
y-6y-6y-6
3c2d26c2d2
4mm
2m-8(2m-8)2
m2-y2m+y
———+m-1
m-2
x-9y4x
y-99
5n3nn
n-1n-1n-1
6c2d4cd2
4n7n
6n-1(6n-1)2
———+a+6
2x-y8y
2x+2a2x-2a
m+24
b5b9b
b-6b-6b-6
8c2d6cd2
4aa
6a-1(6a-1)2
m1
a-6
x+2y2y
x-y3x-y3
3y+2a3y-2a
y-12
8yy4y
y-1y-1y-1
2m2m
3m+8(3m+8)2
———+m+2
x2+y2x2+y2
n+72
xxx
x-6x-6x-6
43
7c2d28cd2
4y+6(4y+6)2
x2-y2x-y
———+a+3
x-y7x
3y+a3y-a
n+97
m5mm
33
2c2d25c2d2
2b+3(2b+3)2
7x-2y9x
p+3ap-3a
y+78
b7b2b
b+7b+7b+7
4c2d3cd
3a+9(3a+9)2
6x-y6y
x3-y2x3-y2
a+28
7cd9cd2
9aa
5a-6(5a-6)2
8x-4y5x
x-98
8yyy
y-7y-7y-7
8cd29c2d2
a6a
4a+3(4a+3)2
———+x+1
x-5
x-7y5x
y+2by-2b
x+97
n9n9n
5a+1(5a+1)2
x3
x2-n2x+n
3x-y9x
3p+2n3p-2n
y+39
2m7m4m
m-7m-7m-7
9c2d28cd2
5x-1(5x-1)2
———+m-9
3x-y2y
15
3p+q3p-q
n-92
xx8x
x+1x+1x+1
6cd23cd2
4m5m
4m-1(4m-1)2
———-m-6