初一数学上册合并同类项及去括号专项练习题51.docx
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初一数学上册合并同类项及去括号专项练习题51
11
-—(a+b)+—(m+n)3(9a-y)-2(n+7q)
37
-(2b+9)x+9(9-8c)
11a-2(8n+5c)-(7a-n)+2(3b-6c)
1
—(16-6x)-c-7(7c-6ab-5)
3
11
-—(b+c)+—(m+n)5(7b+x)+6(m-2p)
57
-(5b-4)x-6(9-6b)
18m-3(3n+6z)-(6m+n)-7(9b-8b)
6
—(18+2x)-z-5(6b+6mn+1)
5
11
-—(b+c)+—(p+q)5(7a-y)-4(n+7p)
78
-(3y+8)y-7(5-5b)
3a-6(4n+7c)-(8a-n)+2(3y+8b)
1
—(12+6y)+c-2(6b-2bc-3)
6
11
-—(b+c)+—(m+n)2(8a+x)-9(m-2p)
29
-(7m+4)x+4(6+5c)
10x-8(2b+7t)-(7x-b)+7(8m+2c)
1
—(12+2x)-t-7(5b-9xy-1)
2
11
-—(y+z)-—(s+t)3(6b+x)-8(n-6q)
43
-(7a+7)z-5(1+8c)
17a+6(5n+3c)-(8a+n)+4(3a-3c)
4
—(2+4z)-c-7(8d-5mn-4)
5
11
-—(y+z)-—(p+q)2(6b+y)-7(m+7p)
67
-(3b-1)y+6(6+7b)
16a-4(8y+4c)-(2a-y)+2(8b-7b)
8
—(2+2y)-c-6(2d-9xy-7)
7
11
-—(b+c)+—(s+t)5(8a-x)+2(n-8p)
47
-(6b+6)z+5(2+6b)
2x+9(7y-6t)-(8x+y)-7(7b-4b)
1
—(2-6z)-t-8(8b-3mn+8)
7
11
-—(x+y)-—(m+n)2(6b-y)+5(n-8p)
62
-(5a-7)y-9(8-3a)
17x-5(9n+5t)-(5x-n)+9(7a+4a)
3
—(8-6y)+t-2(8b-9bc+9)
2
11
-—(a+b)-—(p+q)5(6a+x)-2(m+9p)
84
-(8n-1)z+8(3+4c)
17x-3(2y+7c)-(8x-y)+9(4n+2c)
3
—(12+4z)+c-2(5c-7ab+1)
4
11
-—(y+z)-—(s+t)3(7b+y)+9(n+7q)
86
-(4n+9)y-6(7-7b)
4a-6(7y-8t)-(6a+y)+3(3n+9b)
1
—(16-2y)+t-9(3c+3mn+8)
2
11
-—(a+b)-—(m+n)4(8a+y)-6(n-6q)
52
-(7m-9)y-7(2+9b)
3a-6(3n+2t)-(5a+n)+3(2m-2b)
1
—(8-2y)-t-2(8b+8mn-8)
2
11
-—(x+y)-—(p+q)2(6b-x)-8(n+9p)
86
-(8b-2)y+7(6+3b)
8a+4(8b-3c)-(4a+b)-6(4b+2b)
1
—(20+10y)-c-6(8b-7bc+9)
5
11
-—(x+y)+—(s+t)5(9a-y)+3(n-7q)
26
-(8b-4)z+2(4-3a)
18x-2(2y+9z)-(5x+y)+7(4b-7a)
6
—(10+4z)-z-7(6a+7mn+4)
5
11
-—(x+y)+—(m+n)2(7a-y)+5(n+3p)
94
-(9y-1)x+3(8-9a)
7m+5(6n+2z)-(7m+n)-7(2y+8a)
5
—(16-6x)+z-7(5a+4ab-6)
4
11
-—(a+b)+—(s+t)3(7b+x)-9(m-7p)
29
-(3a-2)x-7(7+4a)
14a+5(9b+9z)-(7a-b)+6(9a+7a)
1
—(2+4x)+z-8(9d-8ab-4)
7