七年级数学上册合并同类项练习题精编333.docx
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七年级数学上册合并同类项练习题精编333
-5n+(6n+8)3n-(5n-7p)-(7p-n)
6(4m-7)+7m5+(5y-4)+(2y+4)
5(-ab+9a)+(4a-4b)20(abc-7a)-9(7a-7abc)
3(xy-6z)+(-xy-7z)-9(pq+pr)+(9pq-pr)
8m+(6m-4)m-(7m+5c)+(9c+m)
8(3m+2)-4m2+(7m+2)+(2m-8)
8(-ab-5a)-(9a+7b)4(abc-7a)-2(7a-2abc)
4(xy-6z)+(-xy+3z)-9(pq-pr)-(3pq+pr)
9x+(5x+6)4x-(7x+4s)+(8s-7x)
9(6a+8)-9a1-(4n-6)+(3n+10)
2(-ab-3a)+(4a-2b)6(abc-7a)-9(6a+3abc)
3(xy+9z)-(-xy+2z)-9(pq+pr)-(5pq+pr)
7n+(3n-9)n+(3n-6d)-(9d+8n)
3(5b-2)-4b2-(3y-10)-(6y-1)
9(ab+8a)+(6a+7b)3(abc+6a)-2(9a+8abc)
7(xy+2z)+(-xy-2z)-5(pq+pr)+(9pq+pr)
-5a+(3a+4)4a-(6a+7d)+(6d+a)
4(8s-3)-8s7+(2y+7)+(6y+9)
7(ab+9a)+(3a+3b)12(abc+9a)+3(4a-5abc)
9(xy+3z)-(-xy-3z)-3(pq+pr)+(3pq+pr)
-4x+(6x+6)7x+(8x-6s)-(5s-4x)
-6(9s+8)+2s5+(9a+9)-(9a+6)
9(ab-8a)-(2a+2b)11(abc+9a)+4(4a-7abc)
5(xy+4z)-(-xy-4z)-3(pq+pr)-(7pq-pr)
-9b+(5b-1)b-(8b-2s)+(5s-9b)
9(3a-5)-8a9-(8a+7)+(9a+1)
9(ab-6a)-(2a-2b)18(abc+3a)-2(8a-7abc)
5(xy+2z)-(-xy-9z)-8(pq-pr)-(4pq+pr)
-6y-(2y-1)y+(7y+7d)+(2d-8y)
9(3t-4)-6t1+(2m+5)-(6m+10)
2(-ab+3a)+(5a+9b)18(abc+6a)+8(3a-9abc)
2(xy-9z)-(-xy+9z)-7(pq-pr)-(5pq+pr)
4m-(3m+4)m-(9m-8d)+(9d-7m)
8(9a-4)+3a1+(8m+10)+(7m-6)
4(-ab-2a)-(4a-6b)7(abc+2a)-4(4a+8abc)
7(xy+8z)-(-xy+6z)-8(pq+pr)-(5pq+pr)
6n-(7n+3)n-(7n+8d)-(4d-9n)
-5(6a-1)+3a4-(9n+7)+(8n+8)
3(ab+4a)-(9a+9b)12(abc-6a)+3(3a+5abc)
7(xy-5z)-(-xy-4z)-6(pq+pr)+(8pq+pr)
7b-(7b-9)b+(4b-8z)-(6z+5b)
-3(9m+3)+5m3+(5m+1)-(2m+10)
2(ab+6a)-(4a-5b)12(abc-5a)+9(2a+8abc)
9(xy-2z)-(-xy-4z)-8(pq-pr)-(4pq+pr)
-5m+(8m-2)9m+(2m+4s)+(4s+6m)
8(8n-1)-9n2+(8y+2)-(4y+4)
9(ab-5a)+(7a+8b)16(abc-2a)+7(5a-5abc)
9(xy+9z)-(-xy-3z)-6(pq+pr)-(4pq-pr)
5a-(5a+4)6a-(2a+5d)+(2d+9a)
-9(2a-6)-6a2-(7a-6)-(2a+6)
5(-ab+5a)+(3a-3b)11(abc-8a)-8(2a-4abc)
8(xy-9z)+(-xy-2z)-3(pq+pr)-(5pq+pr)
-3x+(7x+1)x-(3x+3p)+(6p+x)
-5(8s+8)-9s4+(6n-5)+(8n-10)
8(ab-4a)-(5a-7b)14(abc-5a)-5(4a+3abc)
6(xy-3z)-(-xy+9z)-5(pq+pr)+(3pq+pr)
4a+(9a-7)a+(3a+4s)-(2s+a)
9(3m-8)+8m2-(5n+6)-(6n-2)
3(-ab-3a)+(5a-7b)8(abc+6a)+4(7a+5abc)
8(xy+5z)+(-xy-3z)-6(pq-pr)-(9pq+pr)
6y+(2y+6)7y-(2y-3q)-(4q-7y)
-7(6t+5)+3t8+(7m+5)-(4m+6)
3(ab-8a)+(2a-4b)13(abc-2a)-3(4a+3abc)
4(xy+4z)-(-xy-8z)-7(pq-pr)+(3pq-pr)
9m-(5m+8)2m+(2m-9z)-(7z+m)
2(3t-1)+3t1-(4y+1)-(3y+6)
6(-ab-6a)+(9a+7b)17(abc-8a)+8(7a+3abc)
9(xy-2z)-(-xy+5z)-5(pq+pr)+(8pq-pr)
9y-(3y-7)y-(8y+6q)+(6q-y)
-9(9t-6)+3t5+(3a-4)+(8a+3)
6(ab+3a)+(3a+2b)6(abc-7a)-6(9a-4abc)
5(xy+3z)+(-xy-4z)-7(pq-pr)-(5pq+pr)
3x-(8x-6)8x-(6x+8d)-(3d-8x)
-6(6m+6)+5m3+(4x+5)+(4x+4)
4(ab-2a)+(2a-9b)11(abc-8a)+4(3a-7abc)