七年级数学上册合并同类项练习题精编365Word格式.docx
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5(-ab+2a)-(4a-4b)2(abc-2a)-2(5a-8abc)
7(xy+8z)-(-xy-7z)-9(pq-pr)+(2pq+pr)
-5a-(6a-7)3a+(2a+9d)-(5d-a)
-6(6b-9)-2b5+(4x+9)-(6x+8)
5(ab-2a)+(7a-3b)8(abc+4a)-7(3a+3abc)
8(xy-5z)+(-xy+8z)-6(pq-pr)+(4pq-pr)
-6a+(3a+5)6a+(2a+4p)+(8p-a)
8(2t+6)-6t9-(9y+6)+(9y-4)
8(-ab-4a)-(2a+2b)12(abc+9a)+9(8a-6abc)
7(xy+8z)-(-xy-7z)-9(pq-pr)+(8pq-pr)
-4x+(9x-1)8x-(2x-7c)+(3c+6x)
-2(2t-3)-7t6-(3a-7)-(2a+3)
8(-ab-7a)+(6a-6b)2(abc-2a)-2(4a-6abc)
9(xy-6z)+(-xy+7z)-9(pq+pr)+(8pq-pr)
-8x+(4x+8)3x+(4x-9p)-(2p-8x)
6(9n+8)+4n6-(4n+4)+(2n-3)
8(-ab+8a)-(3a+4b)9(abc-9a)+2(2a-8abc)
7(xy-7z)-(-xy-5z)-5(pq+pr)+(7pq+pr)
8a-(6a+4)a+(8a-6p)+(4p+a)
4(8s-7)-6s7+(5a+1)-(9a+9)
8(-ab+5a)-(6a-9b)10(abc+4a)+5(2a+8abc)
9(xy+3z)+(-xy-6z)-5(pq-pr)+(7pq-pr)
4n+(4n-7)7n+(6n+9s)-(3s-n)
5(9m+1)-7m4+(5n+10)+(7n-3)
2(-ab-3a)+(7a+6b)11(abc+2a)-8(8a+6abc)
2(xy+9z)-(-xy-6z)-7(pq-pr)+(7pq+pr)
9b+(9b-9)b+(2b-5c)-(7c+b)
-6(2b-6)-7b2-(8b-7)-(3b+5)
4(ab+7a)-(5a-4b)2(abc-8a)+3(3a+9abc)
4(xy+7z)+(-xy-4z)-7(pq+pr)-(7pq-pr)
4a+(7a-8)a-(2a+5q)-(3q+6a)
-7(7b+6)+8b8+(3y-2)-(2y-6)
7(ab+7a)+(3a-4b)14(abc+7a)+4(5a-2abc)
9(xy-8z)-(-xy-6z)-6(pq+pr)-(5pq+pr)
3a-(8a-9)8a-(6a+4d)+(4d-8a)
4(3s-2)+6s7+(8m-9)+(3m-10)
7(-ab+9a)+(4a-2b)2(abc+4a)+5(6a-8abc)
9(xy+9z)-(-xy-3z)-6(pq-pr)+(9pq+pr)
9y+(9y+3)3y-(9y+7p)-(8p+y)
5(6n-1)-7n8-(8m-3)-(3m-1)
2(ab+4a)+(3a+2b)5(abc+5a)-4(7a+8abc)
3(xy+9z)-(-xy-5z)-6(pq+pr)+(5pq-pr)
-7a-(8a-2)3a+(4a-7s)+(6s-9a)
-4(8a+9)-5a1+(8y-10)-(7y-5)
4(ab-2a)+(7a-8b)6(abc-6a)-6(6a+8abc)
7(xy+9z)+(-xy+8z)-8(pq+pr)+(9pq-pr)
-8n-(8n-8)9n+(8n-3c)+(5c+n)
4(4m-3)+5m10-(9n+8)-(5n-7)
2(-ab+9a)-(6a+9b)20(abc-8a)+2(3a-9abc)
2(xy-5z)+(-xy-6z)-9(pq+pr)-(6pq+pr)
-2x+(5x-2)5x+(8x-2s)+(5s-x)
6(2s+2)+4s8-(2b+9)-(6b-2)
4(ab+5a)+(5a+6b)19(abc+5a)+4(2a+9abc)
8(xy-2z)-(-xy-4z)-2(pq+pr)+(2pq-pr)
-5n+(9n-9)6n-(8n+5s)-(7s+2n)
3(9n-5)-3n10-(3x+5)-(2x+2)
3(-ab-5a)-(7a+3b)4(abc+6a)-6(5a+6abc)
9(xy-5z)+(-xy-8z)-3(pq+pr)+(4pq+pr)
-2x-(7x+6)x-(3x+5p)+(7p+x)
4(9a+7)-8a9-(8x-2)-(3x+8)
6(-ab+3a)+(2a+9b)13(abc-3a)-4(7a+3abc)
4(xy-4z)-(-xy-7z)-7(pq+pr)+(8pq-pr)
8y-(3y-9)7y+(5y+6q)-(4q-y)
8(3m+2)+9m7+(2y+7)+(6y-3)
6(-ab+6a)+(7a-9b)3(abc-2a)+9(6a+2abc)
3(xy-3z)-(-xy+6z)-9(pq-pr)+(5pq-pr)
-2a+(3a+5)a-(4a+5q)-(8q-a)
8(6b+1)-9b1+(3x+7)-(4x+6)
4(-ab+8a)+(2a+8b)12(abc+7a)+3(9a+2abc)