初一数学上册合并同类项及去括号专项练习题70文档格式.docx
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—(6-8x)+c-2(7d+4bc+9)
2
-—(y+z)+—(m+n)5(7b-x)-3(m-9p)
84
-(3y+9)y-7(5+6a)
19m-9(4y+2c)-(3m-y)-3(6y-9a)
4
—(16-2y)-c-8(8a-2xy+3)
3
-—(b+c)-—(m+n)2(9b+y)-8(m-5q)
62
-(9m-2)z-6(2-3a)
16m+2(2y-2t)-(6m+y)-5(2m+4a)
—(18+4z)+t-3(4d-7ab+2)
8
-—(a+b)-—(e+f)3(9a+y)+7(m-4q)
27
-(7m+1)z+3(3+2b)
8a-2(4b+7c)-(2a-b)+2(2m-6b)
5
—(2-10z)+c-6(2d-9ab-7)
6
-—(a+b)+—(m+n)3(9a-x)+5(m-5q)
88
-(6y+6)x+2(6+3c)
18x-3(9y-6t)-(5x+y)+7(3y-9c)
—(20-4x)+t-9(3d+8bc+5)
7
-—(a+b)-—(m+n)4(8a+y)+2(n-9p)
22
-(7n-5)y-3(6+7a)
20x-7(8b-7t)-(4x-b)-8(4n+2a)
—(12-6y)+t-3(7a-2ab-7)
-—(x+y)-—(p+q)4(6b-y)+6(m-6p)
87
-(2a+6)z-2(4-6a)
5x-9(5n-9t)-(9x-n)+8(3a+8a)
—(2-2z)+t-7(2d-6xy+4)
-—(b+c)+—(s+t)3(7b+x)+5(m+5p)
94
-(5b+9)y+4(9-6b)
10x+2(3y+2t)-(8x+y)-7(2b-4b)
9
—(12-8y)-t-8(5c-5ab+1)
-—(a+b)-—(e+f)5(7a-y)-2(n-3p)
97
-(7y-3)z-4(5-2a)
13a+8(6y+4t)-(5a+y)+6(2y+9a)
—(8-10z)-t-9(6c-3xy-8)
-—(b+c)-—(s+t)5(7a+x)+3(m+8q)
45
-(5x-4)y+7(9-9c)
10m-4(7n+8z)-(6m+n)-3(3x+3c)
—(6+2y)+z-4(8d-6mn+9)
-—(b+c)+—(e+f)5(9b-y)+5(m-3p)
46
-(3m-2)x-7(2+8a)
4a+3(6b+6t)-(2a-b)+5(4m+8a)
—(6+8x)+t-6(2a-6ab+4)
-—(y+z)-—(p+q)5(7b-x)-2(m+9p)
83
-(6n+3)z-7(9-3a)
3a-9(6y-2t)-(8a-y)+2(3n-3a)
—(2+4z)+t-9(8d-9mn-5)
-—(y+z)+—(e+f)2(8b-y)-7(n-2p)
63
-(7n+3)y-5(6+7b)
7a-3(5b-7t)-(9a+b)-9(3n+4b)
—(6-2y)-t-3(4d-6xy+8)
-—(y+z)-—(m+n)2(9b+x)-2(n-3p)
85
-(3n+2)z+3(3-8b)
17a-9(5n-4z)-(5a+n)+9(6n-8b)
—(2+2z)-z-6(3b+8bc-7)
-—(y+z)+—(m+n)2(6a+x)+7(n-2q)
78
-(5x-7)y-4(6+5c)
5a-8(3n+8c)-(4a+n)+2(6x-3c)
—(6+2y)+c-5(6d-2bc-3)