七年级数学上册合并同类项练习题精编7.docx
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七年级数学上册合并同类项练习题精编7
6(-ab-8a)+(9a+4b)19(abc+2a)+5(6a+9abc)
4(xy+6z)+(-xy+4z)-4(pq-pr)+(8pq+pr)
8n-(7n-3)n+(3n+4d)+(4d-4n)
-6(4n-7)+5n10+(9y+4)-(7y+5)
8(ab+4a)+(7a-2b)13(abc-6a)-2(9a+8abc)
4(xy+3z)-(-xy-5z)-4(pq-pr)+(7pq-pr)
-2b+(6b+4)3b-(2b+6c)-(2c-2b)
8(3b-5)-5b4-(9a-5)+(7a+4)
8(ab-4a)+(2a+9b)2(abc-3a)-9(4a+4abc)
2(xy-4z)-(-xy-7z)-6(pq+pr)+(9pq+pr)
-5x+(7x-5)x+(5x-5d)+(7d-x)
4(6m+2)-3m8+(8a+7)-(8a+5)
5(ab+8a)+(4a-8b)15(abc-4a)+4(9a+7abc)
6(xy-9z)-(-xy-9z)-5(pq+pr)+(4pq-pr)
5x-(9x+9)x+(8x-8d)-(2d-4x)
-6(5t-4)-7t1-(8a+10)+(6a+1)
4(-ab+3a)+(3a-7b)7(abc-3a)-7(8a+4abc)
9(xy-9z)+(-xy+3z)-7(pq+pr)-(7pq+pr)
6b-(5b+5)b+(9b-2p)+(6p+b)
6(7t-10)+8t10+(3b+1)-(6b+6)
8(ab-8a)+(5a+3b)8(abc-4a)+2(6a+8abc)
5(xy-9z)+(-xy+9z)-2(pq+pr)+(9pq+pr)
9a-(3a-5)3a+(7a-9c)+(2c+5a)
-2(9a+8)+5a1+(6b-1)-(7b+1)
2(ab-8a)-(3a+5b)12(abc+6a)+3(4a-2abc)
2(xy+5z)+(-xy+7z)-9(pq+pr)+(3pq-pr)
-2a+(5a-1)a+(6a-8s)-(3s+4a)
3(7m+7)-6m5+(5y+9)-(6y-8)
5(ab-4a)+(7a+9b)7(abc+6a)+6(7a-6abc)
9(xy-4z)+(-xy-3z)-6(pq+pr)+(6pq+pr)
-6n+(5n+3)n-(3n+3p)+(4p+n)
4(9s+8)+7s2-(7n-1)-(8n-6)
6(ab-2a)-(9a+8b)14(abc+3a)-2(8a+7abc)
6(xy+9z)-(-xy+3z)-9(pq+pr)+(3pq-pr)
-4y-(5y-7)5y-(9y+9p)-(5p-2y)
-6(7b-8)-2b2+(5x+9)+(7x-6)
8(-ab+9a)-(2a+5b)14(abc+5a)+6(4a+6abc)
6(xy+9z)+(-xy-4z)-6(pq+pr)-(7pq+pr)
-7a-(9a+9)8a+(8a+6z)+(9z-a)
2(5m+8)-4m1-(7n+4)+(7n-2)
7(-ab+9a)-(4a-7b)8(abc-9a)+6(2a-6abc)
4(xy+9z)+(-xy-7z)-9(pq-pr)+(9pq+pr)
-3b-(6b-3)b+(4b-5c)+(9c+3b)
-8(7n+3)+6n8+(9b-1)+(6b+10)
4(-ab-4a)-(7a-5b)8(abc-2a)-9(3a-4abc)
8(xy-4z)-(-xy-8z)-7(pq+pr)+(7pq-pr)
3x-(4x+1)5x+(6x-3q)-(5q-5x)
6(8n+3)+6n2+(9b+4)-(7b+2)
7(ab-4a)-(9a+3b)15(abc-2a)+2(6a-4abc)
7(xy-6z)-(-xy-2z)-7(pq-pr)-(6pq+pr)
6a-(9a+2)2a-(5a-5z)+(3z+a)
-4(9n+6)-2n8+(2n-1)-(8n+8)
9(ab+2a)-(7a-5b)6(abc+4a)-8(2a+7abc)
7(xy+6z)+(-xy-9z)-7(pq-pr)-(5pq-pr)
-9n+(9n+6)3n-(7n-6d)+(3d+n)
-9(8n-8)-9n10-(5m+5)+(2m-5)
6(ab+5a)-(8a+8b)6(abc-4a)+5(7a-5abc)
7(xy+8z)-(-xy+5z)-6(pq+pr)+(7pq-pr)
3x-(6x+8)x+(8x-7q)+(8q+3x)
5(5m-5)-7m5+(6y+3)-(8y-7)
2(-ab+4a)-(6a-3b)15(abc-4a)+8(6a-6abc)
2(xy+6z)-(-xy+9z)-5(pq-pr)+(3pq+pr)
-3a+(3a-2)a-(5a+4c)+(5c-5a)
2(2t+2)+2t2-(9y-9)-(4y+9)
8(-ab-8a)-(8a+8b)7(abc+9a)+2(9a-3abc)
9(xy-9z)-(-xy-9z)-9(pq+pr)-(2pq-pr)
-3b+(3b-1)b+(4b-8z)+(3z-b)
9(4s+7)+4s4-(4a+3)-(3a-9)
9(-ab-4a)+(6a-2b)4(abc+3a)-2(9a-6abc)
8(xy+8z)-(-xy+2z)-5(pq-pr)+(7pq+pr)
-9x-(2x+7)x-(4x+5q)+(8q+7x)
7(5t-1)+6t9-(5a-8)+(8a-1)
5(ab+7a)+(9a-7b)15(abc+3a)-3(4a+2abc)
9(xy+7z)+(-xy+8z)-4(pq+pr)+(9pq-pr)
6n+(4n-1)n-(5n+4p)+(3p+n)