七年级数学上册合并同类项专项练习题20.docx
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七年级数学上册合并同类项专项练习题20
10m+3(5b+3t)-(3m+b)-6(4a-9a)
1
—(8+8y)+t-4(8a-4bc-6)
8
11
-—(b+c)-—(s+t)4(7b-y)-2(m-2p)
77
-(5b+3)x-9(1-6b)
12x+9(2n-8t)-(6x-n)+9(5b-7b)
3
—(2-10x)-t-6(2b+4ab+8)
4
11
-—(x+y)+—(e+f)4(9a-y)-4(n-5p)
58
-(7n+7)x-7(2-6b)
2m+3(6b-3t)-(3m-b)+4(5n+9b)
1
—(18-10x)-t-9(5c+2xy+8)
5
11
-—(x+y)-—(m+n)5(6a+x)-7(m-5p)
77
-(3b-3)z+9(2+5a)
8m+2(3n-8c)-(4m-n)-8(6b+6a)
1
—(8+4z)-c-5(3c+5mn+2)
6
11
-—(x+y)+—(m+n)2(6a+y)-7(n+8q)
96
-(7b-4)z+8(6+8a)
9x+2(9y+4z)-(4x-y)+6(2b+2a)
3
—(12+4z)+z-8(8d-2ab-6)
4
11
-—(a+b)-—(m+n)5(6a-x)+4(m-4p)
34
-(6y+2)x-9(5+6b)
10x-3(9y+3t)-(7x+y)-4(9y+3b)
1
—(20+8x)+t-4(3c+8mn-7)
3
11
-—(x+y)+—(s+t)4(8b-y)+8(m+3q)
87
-(2x-9)x+6(9-3b)
12m+6(7b-3c)-(6m-b)+7(2x+6b)
9
—(12-2x)-c-2(8d+2bc-9)
8
11
-—(b+c)+—(m+n)3(7a+x)-8(m-3q)
38
-(2a-4)z+4(2-3a)
11x-2(9n+7c)-(8x-n)-9(3a-2a)
7
—(8+2z)+c-5(4a-7bc-7)
8
11
-—(a+b)-—(m+n)4(9a-y)-4(m+9p)
69
-(6b-2)x+4(1+3b)
3a-6(6b+3t)-(5a+b)-5(5b-5b)
9
—(12+10x)-t-7(7a+3bc-5)
8
11
-—(a+b)-—(s+t)3(8a-y)-5(n+3q)
38
-(3a-1)z+5(6+3c)
2a-4(2n-9z)-(2a-n)-5(4a+5c)
4
—(18-8z)-z-3(9c-9xy-6)
5
11
-—(b+c)-—(p+q)2(6b-x)+2(m+4p)
66
-(5n+5)y+6(8+2c)
19m+6(9n-4t)-(2m-n)+8(6n+4c)
2
—(4-2y)-t-5(5c+7bc-1)
3
11
-—(y+z)+—(s+t)5(8a-y)-6(n-3p)
33
-(6n-4)z-8(7-7b)
6a-4(6y-4z)-(5a-y)-7(7n+4b)
1
—(6-10z)+z-4(7d-8ab+9)
9
11
-—(b+c)-—(m+n)3(8a+x)-8(n+2p)
72
-(2x-7)y-7(3+6a)
13m-7(3n-9c)-(2m+n)-3(9x-7a)
1
—(10+4y)+c-4(9a-8ab-1)
2
11
-—(y+z)-—(e+f)5(8b+y)-6(m+9q)
79
-(7x+8)y+3(2-4c)
6x+2(4n+3t)-(4x+n)-4(5x+9c)
3
—(20+6y)-t-9(7a+7xy+9)
4
11
-—(x+y)+—(m+n)2(7b-x)-6(m+7p)
98
-(5m+2)z+3(2+4a)
15x-7(4n-4c)-(9x-n)-4(7m-9a)
6
—(10-2z)+c-6(9c+6xy+9)
5
11
-—(a+b)-—(p+q)4(7b+x)-9(m+2p)
24
-(5b+8)y+3(8-3a)
17m+5(2n+6z)-(2m+n)-8(4b-3a)
3
—(16+8y)+z-2(3c+7mn-5)
4
11
-—(x+y)-—(e+f)3(6b-y)+3(n-4q)
36
-(6y+6)y-7(6+3c)
6x-3(9y-5c)-(2x-y)+6(3y+3c)
8
—(14+8y)-c-6(9b-9mn+2)
7
11
-—(x+y)+—(e+f)3(8b+x)-6(m+3p)
47
-(4y+2)x+2(3-2c)
7m+3(2b+6t)-(9m+b)-5(2y-8c)
1
—(20-10x)-t-8(5d+3xy+5)
5
11
-—(b+c)+—(p+q)5(8a-x)+8(n-2q)
22
-(2b+7)y+2(1-3a)
3a-3(9n+5t)-(8a+n)-4(4b+8a)
1
—(18-10y)-t-9(4b-3mn-5)
4
11
-—(x+y)-—(s+t)4(7a+x)+6(n-8q)
69