七年级数学上册合并同类项练习题精编150.docx
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七年级数学上册合并同类项练习题精编150
5(xy+3z)-(-xy+6z)-3(pq-pr)+(8pq+pr)
4m+(8m+1)8m-(6m-5c)-(7c-m)
-7(6t+7)-4t5-(3n-5)-(9n-2)
4(-ab-9a)-(7a-9b)9(abc-9a)-8(8a-9abc)
8(xy+4z)+(-xy+4z)-3(pq+pr)+(3pq-pr)
4y-(6y-6)9y+(2y+3s)-(8s-3y)
3(3a-8)-4a1+(6b-9)-(8b+5)
3(ab-2a)+(8a+6b)18(abc+2a)+7(6a+3abc)
2(xy-5z)+(-xy+4z)-6(pq-pr)+(7pq-pr)
-3y+(8y-4)6y+(2y-2s)+(3s-6y)
2(9b-9)+9b5+(7b+7)+(9b-4)
4(ab+9a)+(4a+6b)10(abc+6a)-5(5a+4abc)
2(xy+5z)+(-xy+6z)-9(pq+pr)-(9pq-pr)
-3y-(9y+6)7y+(4y-2q)-(9q-y)
-6(3a+1)-9a10-(6b+10)+(8b-6)
3(-ab-4a)-(3a-4b)19(abc+3a)-5(2a-8abc)
3(xy-8z)+(-xy-2z)-3(pq-pr)-(9pq+pr)
3b+(7b-4)7b-(4b+4s)-(2s+4b)
6(4s+7)+6s1+(7x-9)-(5x-6)
7(-ab+2a)+(2a-3b)16(abc+4a)+8(2a-9abc)
6(xy-4z)+(-xy+8z)-6(pq+pr)+(9pq-pr)
-2a+(8a-6)a+(3a+7s)+(5s-9a)
2(3t+6)-7t1-(5n+9)-(3n+10)
5(ab-7a)+(6a+9b)9(abc-8a)-9(8a-8abc)
8(xy-3z)-(-xy+8z)-5(pq+pr)+(8pq-pr)
-7y-(6y+4)y-(3y+2q)+(5q+7y)
8(4t-1)+6t2+(8b+7)-(5b+3)
3(-ab+8a)+(8a+7b)3(abc+8a)+4(3a-9abc)
3(xy-9z)+(-xy+6z)-8(pq+pr)-(5pq-pr)
4y+(9y-7)y-(4y-2q)-(9q+9y)
-7(5b+1)-2b4+(2x+7)-(4x-2)
7(ab-8a)+(9a-6b)5(abc+4a)-8(9a+3abc)
2(xy-4z)+(-xy-8z)-5(pq-pr)+(5pq-pr)
-4y-(7y-6)y+(3y-9c)-(9c+y)
6(4t-6)+7t9-(8y-9)-(9y+6)
2(ab-2a)+(8a+5b)8(abc+5a)+5(4a+6abc)
2(xy+8z)-(-xy-4z)-3(pq+pr)+(9pq+pr)
-4x-(2x-9)x-(7x-5s)+(6s-x)
5(2a+1)-9a9-(5b+2)+(4b-8)
8(-ab-3a)+(6a+3b)17(abc-6a)+7(8a+5abc)
5(xy+4z)+(-xy+4z)-7(pq-pr)-(4pq-pr)
2n-(7n-8)n+(7n-4d)+(5d+4n)
-8(2a+2)-5a5+(3a-8)+(2a-1)
4(-ab+4a)-(9a+9b)8(abc+9a)+3(5a-9abc)
4(xy-6z)+(-xy+8z)-8(pq-pr)-(6pq+pr)
-3x-(9x+9)7x-(7x+4q)-(7q-x)
-7(5b+1)-9b6+(4x+2)-(2x+7)
9(-ab-7a)-(3a-8b)3(abc+7a)-4(7a-2abc)
8(xy-7z)-(-xy-5z)-4(pq+pr)+(4pq-pr)
-4x+(3x-4)7x-(2x+7p)+(7p-2x)
-3(5m+10)-5m3-(7m-1)-(3m-4)
9(-ab+7a)+(8a+5b)7(abc-8a)-9(5a+9abc)
9(xy-9z)-(-xy+4z)-9(pq-pr)+(8pq+pr)
-3m+(9m-2)m-(8m+8q)+(2q-2m)
3(7b-9)-2b1+(8n+10)+(2n-9)
3(-ab-5a)-(5a+7b)20(abc-6a)-5(2a+4abc)
7(xy-8z)+(-xy+3z)-4(pq+pr)+(9pq-pr)
3x-(9x-8)x+(8x+9z)-(5z+6x)
5(4m-10)+3m10+(9a+1)-(5a-4)
6(-ab-4a)-(8a-4b)9(abc-2a)+7(3a-7abc)
6(xy+6z)-(-xy+5z)-2(pq-pr)-(2pq+pr)
-2m-(8m+2)9m-(5m-3s)+(5s-4m)
-2(6m-10)-5m7+(7b-6)+(3b-7)
9(-ab-7a)-(2a+6b)18(abc+3a)-8(3a-7abc)
6(xy-9z)-(-xy+2z)-8(pq-pr)-(9pq-pr)
-4y-(5y-7)9y-(4y+2d)+(7d+y)
3(7t+2)+7t3+(3m-10)-(6m+5)
5(-ab-2a)-(7a-7b)12(abc+7a)+9(2a+8abc)
2(xy-6z)-(-xy-2z)-3(pq-pr)+(3pq-pr)
-3y-(3y-6)9y-(8y+8d)+(5d+6y)
3(2s-8)-7s8+(8a-2)-(3a-10)
7(ab-9a)+(2a+2b)9(abc+9a)-9(7a-9abc)
2(xy-5z)-(-xy-8z)-2(pq-pr)-(7pq+pr)
4m-(9m+2)8m+(3m+8c)+(8c-m)
-9(9a+2)+8a7-(2b-2)-(8b-1)