七年级数学上册合并同类项练习题精编90.docx
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七年级数学上册合并同类项练习题精编90
5(xy+9z)+(-xy-4z)-6(pq+pr)+(5pq+pr)
-6y+(5y-9)y+(8y+3d)-(7d+y)
-7(9b-3)+2b8-(6m+6)+(3m-2)
7(-ab-3a)-(7a-4b)11(abc-8a)+5(4a+5abc)
5(xy-8z)+(-xy+6z)-7(pq-pr)+(6pq-pr)
6m+(2m+2)m+(8m+4c)+(9c+4m)
4(9s-4)+7s7+(4m+8)+(6m+8)
5(ab-3a)+(2a-9b)10(abc-4a)+3(6a+6abc)
5(xy+9z)-(-xy-9z)-8(pq-pr)-(5pq+pr)
2y-(2y+8)y-(8y-5c)-(7c-y)
-2(5a+3)-9a8-(3m+1)+(3m+5)
8(ab-4a)+(8a+9b)6(abc+4a)-5(4a+6abc)
4(xy-9z)-(-xy-2z)-5(pq+pr)-(7pq-pr)
7b+(6b-8)7b-(2b-6s)-(8s+3b)
-2(6a+6)+8a10-(2b-6)+(4b+9)
5(-ab+5a)-(2a+8b)19(abc+6a)-2(8a+7abc)
2(xy-6z)-(-xy+8z)-3(pq-pr)-(3pq+pr)
-9m-(2m-3)3m+(4m+2c)-(2c+9m)
5(3t+10)+4t3-(7a-8)+(7a+9)
6(ab-3a)-(6a-2b)10(abc-6a)+3(5a-9abc)
5(xy+2z)-(-xy-7z)-8(pq-pr)+(6pq-pr)
-5m-(3m+5)3m+(9m+3c)-(5c-m)
-8(3b+8)+9b2-(7m+5)+(7m-7)
2(-ab-3a)-(3a+8b)13(abc+4a)+2(2a+4abc)
8(xy+9z)-(-xy-4z)-7(pq+pr)-(2pq-pr)
-2m+(6m-4)m-(4m-9c)-(3c+m)
5(9a-10)+2a8+(3b-2)-(8b-10)
5(ab-2a)-(2a-4b)17(abc+2a)+3(3a-3abc)
2(xy-4z)-(-xy+4z)-9(pq-pr)+(4pq-pr)
5m+(9m+7)m+(8m+6q)-(4q-8m)
-4(5s+9)-2s3-(5x-3)+(9x-8)
8(-ab-3a)-(4a+7b)17(abc+7a)-7(5a+8abc)
3(xy-7z)+(-xy-2z)-6(pq+pr)+(8pq-pr)
5y-(4y-7)y+(9y+5z)+(2z+y)
-5(5s-1)+4s3+(7a+9)+(2a+9)
5(-ab+5a)-(8a-9b)3(abc+4a)-9(4a+7abc)
3(xy+8z)-(-xy-6z)-4(pq-pr)+(3pq-pr)
-3a+(7a+2)a-(9a-4d)+(9d+5a)
-7(6a+10)+7a9+(3m+4)+(5m+7)
3(ab+7a)+(4a-8b)20(abc+8a)-4(8a-3abc)
7(xy+6z)+(-xy-5z)-2(pq-pr)-(5pq+pr)
-3x-(5x+8)x+(5x-4c)+(6c+x)
6(8m+7)+5m2-(2x-7)-(3x-9)
5(ab-7a)-(7a-3b)18(abc+5a)-2(9a+3abc)
6(xy-6z)-(-xy-6z)-2(pq-pr)+(3pq+pr)
3x+(9x-8)x-(7x+8q)+(6q+9x)
6(5m+7)-3m5+(3m+5)-(7m+1)
2(-ab-7a)+(6a-6b)19(abc+9a)-7(6a+5abc)
2(xy-5z)+(-xy+7z)-6(pq+pr)+(4pq+pr)
-8x-(4x+8)7x-(5x+4c)-(7c+x)
7(6m-7)-2m8+(2a+10)-(7a+7)
9(-ab+3a)-(8a-5b)15(abc-2a)+6(3a-4abc)
5(xy+2z)+(-xy-8z)-8(pq+pr)+(9pq+pr)
-7y+(2y-2)y+(2y-8p)-(6p-y)
9(7n-8)-8n9-(5x-4)-(4x+7)
4(-ab-6a)-(2a-9b)18(abc+4a)+6(5a+5abc)
5(xy+6z)-(-xy-7z)-5(pq+pr)-(5pq-pr)
8y+(7y-1)6y-(5y-7p)+(6p+y)
-7(8a-6)+2a7+(3y-2)+(5y-3)
9(-ab+4a)+(2a+2b)6(abc+6a)+2(5a-2abc)
5(xy-9z)+(-xy-3z)-6(pq-pr)-(6pq+pr)
-4b-(5b+9)b+(3b+9z)+(4z-b)
-5(4b+9)+7b8-(8x+4)-(8x+7)
7(ab+5a)+(5a-4b)3(abc+4a)-7(8a-7abc)
5(xy-6z)-(-xy+6z)-5(pq-pr)-(3pq-pr)
-4m+(9m+2)5m+(4m+4d)+(4d+m)
7(7m-9)+4m9-(3a-7)-(9a+10)
2(ab-5a)-(6a+2b)11(abc+4a)-2(7a-7abc)
4(xy+2z)+(-xy-7z)-5(pq-pr)+(4pq+pr)
2a-(6a+3)9a+(3a-4s)-(7s+8a)
-3(8s-6)+8s7-(4x-4)+(9x-5)
5(-ab-3a)+(6a-3b)9(abc+9a)+7(4a+3abc)
3(xy+5z)+(-xy+9z)-6(pq+pr)+(9pq-pr)
3y-(9y+6)4y-(4y+6p)-(3p+9y)
5(8b-4)+9b8+(8a-1)-(2a-1)