七年级数学上册合并同类项基础练习题124.docx
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七年级数学上册合并同类项基础练习题124
4(ab+7a)+(7a+9b)11(abc-2a)+7(7a+2abc)
8(xy-3z)+(-xy+9z)-9(pq-pr)-(8pq+pr)
2m+(2m-8)m+(6m-9d)-(8d+m)
-4(9a-9)-9a5-(5x+1)+(8x-7)
8(ab+3a)+(5a+2b)10(abc+4a)+9(4a-9abc)
4(xy+3z)-(-xy-6z)-6(pq-pr)-(4pq-pr)
-8b-(5b+5)5b-(7b+5d)-(5d+b)
5(9m+3)-4m1+(7b+6)-(2b+8)
8(ab+7a)+(3a-3b)17(abc+3a)+3(3a-8abc)
5(xy-5z)+(-xy-4z)-7(pq+pr)+(7pq-pr)
3b+(5b+2)b-(5b+6c)-(4c+3b)
-5(7n-5)-2n2+(7x-4)+(8x-4)
2(ab-5a)-(5a+6b)18(abc+5a)-3(3a+5abc)
7(xy-5z)+(-xy-7z)-6(pq-pr)+(8pq-pr)
7n+(9n+8)4n+(9n-6c)+(8c-n)
-6(5s-5)+9s2-(8n-2)+(5n-8)
5(-ab+6a)+(3a-7b)16(abc-2a)-3(6a-7abc)
2(xy+5z)-(-xy+6z)-3(pq+pr)-(5pq-pr)
5y+(9y+4)y+(9y+8q)-(9q-y)
-7(2t+7)-7t5-(2x-1)-(9x+6)
5(ab+6a)-(7a-7b)11(abc+4a)+9(9a+7abc)
5(xy+2z)-(-xy-6z)-5(pq+pr)-(7pq+pr)
-2m-(2m+3)6m+(8m-4c)+(8c+8m)
-3(6b-1)-8b6-(8y-5)+(6y+2)
7(-ab+8a)+(2a-8b)11(abc-5a)-2(3a-3abc)
3(xy-2z)+(-xy-8z)-2(pq+pr)+(5pq+pr)
-4x-(7x+2)3x-(5x-2p)+(5p-x)
-4(8s-1)-6s7-(4n-9)+(8n+7)
9(-ab-5a)+(9a-8b)13(abc-3a)-6(7a+2abc)
5(xy+4z)-(-xy-6z)-8(pq-pr)+(7pq+pr)
-5m+(4m-1)6m+(6m+4p)-(2p-4m)
8(8s-9)+9s10-(5a-9)+(8a-4)
6(-ab+3a)+(9a+4b)16(abc+9a)-4(8a-5abc)
9(xy+2z)+(-xy+4z)-9(pq-pr)+(4pq-pr)
-5m+(2m-5)6m+(8m+7p)-(5p+m)
3(8m+7)-5m3+(6n-1)+(7n+5)
6(-ab-5a)+(5a-7b)19(abc-9a)+5(6a-9abc)
7(xy+4z)-(-xy+4z)-5(pq+pr)+(6pq-pr)
9x+(2x-1)x-(9x-7c)+(8c+x)
4(4s-10)+5s7+(8x-4)-(2x+7)
4(-ab-2a)+(2a+9b)11(abc+6a)-9(8a-7abc)
3(xy-3z)+(-xy-7z)-3(pq+pr)-(7pq-pr)
3x-(9x+6)4x-(9x-9z)-(4z-5x)
3(8s+9)-6s2-(6m-6)-(4m+9)
2(-ab-8a)+(4a+7b)18(abc-3a)+9(7a+2abc)
9(xy-5z)+(-xy-6z)-8(pq+pr)+(4pq+pr)
3m+(2m+5)6m+(8m-6p)-(4p+2m)
-5(8n+3)-4n6-(3y+10)-(2y+3)
9(ab-7a)+(9a-8b)10(abc-7a)+5(7a-5abc)
8(xy+4z)+(-xy-2z)-2(pq-pr)-(9pq+pr)
5m+(9m+3)6m+(5m-5q)+(4q+8m)
6(7m-5)-2m2+(9n+3)+(3n-8)
4(ab+8a)-(4a-3b)13(abc-3a)-7(2a-6abc)
7(xy+7z)+(-xy+7z)-5(pq+pr)-(5pq-pr)
4x-(9x-9)7x-(7x+7d)-(3d-x)
-5(3s+5)-2s7-(6m-8)+(9m-10)
4(-ab+8a)+(4a+4b)11(abc+8a)+5(2a+9abc)
4(xy-5z)-(-xy-3z)-2(pq-pr)-(4pq+pr)
-8x+(6x-2)3x-(2x+7s)+(4s+x)
9(4m-1)+8m9+(4a-8)-(5a-8)
4(-ab-7a)-(7a-7b)18(abc-2a)+6(7a+2abc)
4(xy+2z)+(-xy-4z)-8(pq+pr)-(8pq-pr)
3n+(3n+2)5n+(3n-6q)-(4q+n)
-3(9t+9)-7t8+(2x-6)+(6x+7)
2(-ab-3a)-(3a+5b)14(abc+2a)-7(9a+7abc)
4(xy-2z)-(-xy+8z)-3(pq+pr)-(9pq+pr)
-8m-(5m-2)m-(2m+8p)-(7p+5m)
9(3t+10)-2t3-(9a+6)+(2a+3)
6(ab+6a)-(7a-5b)5(abc+6a)-3(2a-4abc)
9(xy-3z)-(-xy+9z)-5(pq+pr)+(3pq+pr)
-9n-(3n+9)n+(3n+7d)+(3d-3n)
2(8n-5)-9n3-(3b+5)-(3b+6)
2(ab-9a)+(3a+5b)4(abc+6a)+7(4a+4abc)
4(xy-9z)-(-xy+4z)-4(pq+pr)+(2pq-pr)
-6m-(5m-7)m+(6m-8z)-(2z+7m)
8(7b+7)+8b1+(2m+9)-(3m+5)
8(ab+7a)+(4a-4b)11(abc-7a)-9(6a-7abc)
9(xy-3z)-(-xy-3z)-5(pq-pr)-(3pq-pr)
-8y+(3y-2)y+(2y+2c)+(6c-9y)
7(8s-7)-3s1-(6n-2)-(5n+1)
3(-ab+4a)-(7a-6b)12(abc-5a)+4(2a+2abc)
6(xy-5z)+(-xy-7z)-7(pq+pr)+(6pq+pr)
3m-(4m+3)9m+(2m+3z)+(5z+m)
-2(9a+7)+3a8-(2a-2)-(7a+5)
7(-ab+5a)+(7a+7b)16(abc-4a)-7(4a+6abc)
2(xy+2z)+(-xy+4z)-2(pq+pr)+(8pq-pr)
-2b-(7b+9)8b-(8b-6z)+(7z-7b)
3(4b+4)-4b3+(7x-6)-(2x+3)
2(-ab-4a)+(6a+7b)11(abc+2a)-9(7a-5abc)
2(xy+6z)-(-xy-8z)-2(pq-pr)+(4pq+pr)