七年级数学上册合并同类项基础练习题120.docx
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七年级数学上册合并同类项基础练习题120
2(ab-6a)-(7a+7b)7(abc+2a)+3(6a-7abc)
4(xy+3z)+(-xy+8z)-9(pq-pr)-(7pq-pr)
-4b+(6b+6)b+(7b-8c)-(5c+b)
-8(2t-6)-3t7+(8a+10)-(4a+7)
2(ab-9a)-(7a+6b)18(abc-7a)+7(5a+5abc)
4(xy+6z)+(-xy-3z)-3(pq+pr)+(7pq+pr)
3m+(6m-9)m-(9m-6q)+(5q-m)
2(7b-1)-3b9-(4a-8)+(7a+8)
2(-ab-4a)+(3a-7b)15(abc+3a)+5(5a+6abc)
4(xy-3z)-(-xy-4z)-5(pq-pr)-(8pq+pr)
-4n+(8n-2)7n-(2n+4d)-(3d-n)
-5(2s+6)-2s10-(7x+5)+(6x+5)
9(-ab+9a)+(3a-9b)8(abc+5a)-9(3a-9abc)
6(xy-5z)-(-xy+8z)-3(pq+pr)+(4pq-pr)
8y+(4y+1)9y+(3y+7c)+(6c+3y)
-5(8m+5)+7m8+(8n+6)-(9n-1)
8(-ab-5a)-(4a-7b)5(abc+6a)-8(4a+7abc)
7(xy+7z)+(-xy-9z)-7(pq-pr)-(9pq+pr)
-9n+(5n-5)n-(6n+2q)-(8q-n)
-5(9t-8)-2t4-(9m-1)+(3m+6)
4(ab+6a)+(8a+7b)11(abc+8a)-7(7a+4abc)
5(xy-8z)-(-xy-6z)-5(pq-pr)+(6pq+pr)
5a+(4a-7)5a+(6a-8q)+(9q+6a)
-2(7s+10)-5s3-(5x+6)-(6x+1)
3(ab+3a)+(3a+3b)11(abc-8a)+4(9a-5abc)
6(xy-2z)+(-xy+3z)-2(pq+pr)-(2pq+pr)
-4a+(7a+3)3a-(6a-5d)+(5d+2a)
-7(6n-9)-7n3+(8a-5)-(5a-7)
9(-ab+5a)+(3a+7b)16(abc+4a)-4(3a+7abc)
2(xy+9z)-(-xy+5z)-3(pq+pr)+(9pq-pr)
8x-(8x+6)4x-(6x-7d)+(7d+x)
-4(3s+3)+2s2+(7b-5)+(5b-10)
8(ab+3a)+(3a-3b)5(abc+9a)-5(3a-7abc)
7(xy-6z)-(-xy+8z)-6(pq-pr)+(5pq+pr)
-8a+(2a+1)6a+(5a-6d)-(5d-7a)
2(6n+7)+9n5-(9y-7)+(4y-1)
5(ab-6a)-(8a-9b)19(abc+9a)+3(7a+5abc)
6(xy+2z)+(-xy-2z)-5(pq+pr)+(8pq-pr)
-4n+(8n-9)n+(7n+4z)-(3z-n)
3(8n+9)+4n1+(7y+1)-(4y-3)
9(ab-3a)-(9a-6b)6(abc-3a)+9(9a+7abc)
9(xy-3z)-(-xy+5z)-2(pq-pr)+(8pq+pr)
7a+(6a+5)a-(9a+4d)+(8d+2a)
6(9t+3)-2t9-(4a+2)-(4a-3)
4(ab+6a)+(9a-5b)17(abc-5a)-7(5a+2abc)
7(xy+6z)+(-xy-3z)-5(pq+pr)-(3pq+pr)
-3a-(4a-4)a-(4a+5c)-(4c+4a)
-6(8n+1)+2n6+(5b-3)-(4b-9)
5(-ab-4a)+(9a+8b)4(abc+3a)+4(7a-7abc)
6(xy+2z)-(-xy-3z)-3(pq-pr)+(7pq+pr)
3b+(3b+7)b-(6b-7q)+(9q-b)
8(4n+8)-8n5+(7a+4)-(7a-5)
4(ab+3a)+(2a+6b)11(abc-9a)+3(7a-7abc)
8(xy+7z)+(-xy-6z)-6(pq-pr)-(4pq+pr)
2m+(7m+9)5m+(3m+6d)+(2d+m)
-7(9s+8)-5s8-(8x+9)+(7x+3)
3(ab-2a)+(2a-4b)3(abc+2a)-3(6a-4abc)
6(xy-6z)-(-xy-4z)-7(pq+pr)+(9pq-pr)
8b-(2b-1)7b+(2b-6d)-(8d+3b)
6(7m+6)-4m4+(2y+10)-(7y-7)
8(-ab-7a)-(3a+6b)6(abc-8a)+4(9a+4abc)
4(xy+5z)-(-xy-5z)-5(pq-pr)+(9pq-pr)
-7b+(2b-5)b+(6b+4s)-(5s+9b)
-4(4s-6)+3s1-(2y+8)+(5y-1)
7(ab-5a)-(2a-3b)3(abc+3a)-9(7a-4abc)
3(xy-2z)-(-xy-9z)-8(pq-pr)-(8pq+pr)
9y+(3y+6)y-(2y-2c)-(4c+y)
4(6a+5)-9a2+(8m-6)-(9m-5)
4(ab+6a)-(3a+5b)13(abc-6a)-4(4a+6abc)
2(xy+7z)+(-xy-3z)-2(pq-pr)-(7pq-pr)
9x-(8x+4)x+(4x+5d)-(9d-x)
2(3b+10)+4b10-(9y-8)-(2y-7)
2(-ab+6a)+(4a-9b)15(abc-2a)-5(3a+6abc)
7(xy-8z)+(-xy+3z)-2(pq-pr)-(3pq-pr)
7a+(7a+7)a+(6a+4z)-(8z-a)
-8(3m-3)-3m4+(5x-10)-(2x-6)
2(-ab+9a)+(5a-7b)11(abc+4a)-9(5a+2abc)
7(xy-5z)-(-xy-6z)-5(pq-pr)+(9pq-pr)
9b-(9b+8)b+(9b-3d)+(3d+b)
5(4s-2)-4s6+(8n+3)-(9n-8)
7(ab-8a)+(8a+6b)16(abc+9a)+2(4a+2abc)
4(xy+7z)-(-xy+4z)-8(pq-pr)+(4pq+pr)
6y+(7y+4)9y-(9y+8c)-(9c+8y)
5(8n-7)-2n10+(2n-1)+(7n+10)
4(ab+4a)-(8a-2b)8(abc-7a)-8(4a-4abc)
9(xy-8z)+(-xy-2z)-4(pq-pr)-(6pq+pr)
-9n+(6n-9)8n+(4n+9q)+(9q+n)
3(3s+8)-5s10-(3n-8)+(2n-5)
3(ab+3a)-(6a-4b)4(abc-4a)-8(3a-2abc)
9(xy-7z)+(-xy+3z)-8(pq+pr)-(3pq-pr)