初一数学上册合并同类项及去括号专项练习题19.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19
11
-—(a+b)+—(s+t)2(6a+y)+6(m+2q)
55
-(2y-4)x-4(8+3b)
5a+7(9b+8t)-(6a-b)+8(8y+2b)
1
—(10-2x)+t-2(2b-9xy-3)
5
11
-—(b+c)+—(m+n)4(8a-x)+8(m+6q)
56
-(6y+2)x-7(1+7c)
3x+2(2n+5c)-(6x-n)-2(3y+5c)
1
—(20-6x)+c-6(8c+6bc-6)
2
11
-—(a+b)+—(p+q)5(7b+y)+9(n-7q)
54
-(9m-4)y-4(9+2b)
9m+7(6n+9c)-(2m-n)-8(5m+4b)
3
—(20-6y)-c-5(3c+7mn+1)
4
11
-—(b+c)-—(m+n)5(7a-x)+6(m-4p)
34
-(6a+3)z-6(3-4b)
20a+7(6b-6t)-(9a+b)+2(4a-7b)
2
—(2-6z)+t-4(3c-6bc-5)
3
11
-—(b+c)+—(e+f)2(7a+y)-4(m+6q)
99
-(6m+4)z-3(8-7b)
4x-8(7n-5t)-(2x+n)+2(2m+6b)
5
—(6-4z)+t-6(5b+8ab+4)
6
11
-—(y+z)+—(m+n)2(9a+y)-7(n+2p)
44
-(3b-3)x-5(5-8a)
9m+3(7n-5z)-(3m+n)-3(5b-2a)
1
—(6+10x)+z-9(6d+5xy-7)
2
11
-—(y+z)+—(p+q)3(8a-y)+7(n-4p)
46
-(7y-8)x+3(2+6b)
19m+2(8y-8t)-(9m+y)-3(6y-5b)
1
—(8+8x)+t-5(5a+7bc+1)
7
11
-—(a+b)-—(s+t)2(7a-x)-4(m-5q)
66
-(3x-1)y+9(9+9c)
16m+2(6b-4t)-(6m-b)-7(3x+2c)
1
—(16-8y)+t-9(2d-3ab+5)
5
11
-—(a+b)+—(m+n)5(6a-y)-4(n-6p)
54
-(6n-4)y-7(5+5a)
10x+2(2n+6c)-(9x-n)-4(5n+2a)
1
—(2-10y)+c-5(2c-3ab-1)
9
11
-—(y+z)+—(m+n)4(8b-x)+4(m+6p)
63
-(9y+4)x+6(7+2b)
20x+7(8b+5t)-(8x+b)+4(6y+2b)
1
—(4+2x)-t-5(3b+8bc+7)
2
11
-—(a+b)+—(s+t)2(6b+y)-4(m-7p)
56
-(5m-9)z-7(7-2b)
13m+4(4y+3t)-(5m-y)+3(9m+4b)
1
—(12+4z)-t-3(5b+9xy+9)
5
11
-—(b+c)+—(s+t)2(7a-x)+3(n-3q)
84
-(8m+5)y-3(4-6c)
16m-9(8y+9z)-(7m-y)-3(9m+7c)
1
—(6+4y)+z-8(9a-3ab-9)
7
11
-—(a+b)+—(m+n)5(6a+x)+4(n-7q)
62
-(6x+5)y-3(8-2b)
10x+5(8b+6t)-(4x-b)-6(3x+9b)
1
—(14-4y)-t-9(4c+3ab+3)
4
11
-—(y+z)+—(m+n)2(8a-y)-8(m+2p)
65
-(6y-5)z+6(3+8a)
3x-8(4b-9z)-(9x+b)+8(2y+9a)
4
—(2+4z)-z-8(3d-6bc-9)
3
11
-—(y+z)-—(s+t)2(8a-x)-6(n-5p)
24
-(7m+5)z+5(7+7c)
8x-6(2y+5z)-(6x-y)-2(8m+3c)
5
—(20-10z)-z-2(9d+6ab-8)
4