七年级数学上册合并同类项练习题精编141Word格式.docx
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4(ab+6a)+(5a-4b)20(abc-9a)-2(9a+6abc)
5(xy+2z)-(-xy-2z)-2(pq+pr)+(7pq-pr)
4n+(2n-7)6n-(4n-6z)-(2z+7n)
-3(9b+1)-5b3-(3a+10)-(3a-3)
6(-ab-5a)+(8a-8b)12(abc-8a)-4(3a-8abc)
5(xy+6z)+(-xy-7z)-5(pq-pr)-(3pq+pr)
3a+(6a-8)a-(3a-5c)+(9c+9a)
-8(2t+9)+5t3-(4x+6)-(9x+2)
3(-ab+8a)+(9a+2b)17(abc+4a)-3(7a-2abc)
2(xy-2z)+(-xy-7z)-6(pq-pr)-(9pq+pr)
-9m-(8m+4)5m+(6m-3d)-(4d-4m)
2(6m-5)+2m3+(6b-5)-(8b+7)
7(-ab+2a)+(7a+6b)6(abc+2a)+5(5a+7abc)
6(xy-5z)+(-xy-4z)-4(pq+pr)+(3pq+pr)
-8n+(9n-3)3n+(6n+9c)+(5c-6n)
3(3t+3)+7t9+(3b+8)+(9b-8)
8(-ab-3a)-(2a-5b)9(abc+6a)-5(5a-7abc)
8(xy+6z)+(-xy-9z)-2(pq+pr)+(3pq+pr)
-5n+(4n-9)n+(5n-6p)-(7p-7n)
8(9s-9)-6s1+(3a+10)+(4a+7)
3(ab+4a)+(6a-3b)17(abc+6a)-2(9a-7abc)
5(xy+4z)-(-xy-7z)-7(pq+pr)+(7pq+pr)
7b+(4b+6)9b+(2b-7d)+(4d+9b)
3(9m-7)-5m5-(8m+1)-(7m-10)
3(ab-4a)-(7a-6b)9(abc+2a)+9(6a-4abc)
7(xy-8z)-(-xy+5z)-4(pq-pr)+(9pq-pr)
-3m+(9m+1)9m+(5m-6p)-(2p-5m)
9(9m+5)+9m7-(3x-6)+(4x-6)
8(ab+5a)-(5a+4b)7(abc+6a)+7(3a+2abc)
5(xy-9z)-(-xy-8z)-6(pq+pr)+(2pq-pr)
-3n-(9n-3)n+(5n+4q)+(2q+n)
2(6s-1)-6s9+(8m+9)-(8m+8)
2(-ab-5a)+(4a+6b)4(abc-3a)+8(9a-2abc)
5(xy+8z)-(-xy-9z)-4(pq+pr)+(4pq+pr)
-6x+(5x-8)5x-(3x-5d)-(9d-3x)
-3(7b-10)-6b1-(9m+5)+(7m+5)
3(ab+3a)+(9a+4b)8(abc+7a)-6(9a+3abc)
9(xy+9z)-(-xy-5z)-9(pq+pr)-(7pq-pr)
-5y+(7y-5)7y+(8y+8s)+(6s-y)
-8(4t+9)+3t10-(8y+3)+(7y-1)
5(-ab+9a)+(6a-3b)20(abc+6a)-2(3a-9abc)
9(xy+5z)+(-xy-2z)-3(pq-pr)-(3pq+pr)
7a-(7a-5)6a-(9a-9s)+(5s-6a)
7(4n-10)+8n9+(4a+7)+(2a-6)
3(-ab+2a)-(3a+3b)7(abc+3a)+9(5a+7abc)
2(xy+9z)-(-xy-5z)-2(pq-pr)+(2pq-pr)
-7a+(5a+4)a+(7a+5d)-(9d+a)
8(9s-10)-9s4-(2x-9)+(5x+1)
5(-ab-5a)-(5a-3b)14(abc+9a)-6(6a-3abc)
4(xy-2z)-(-xy-3z)-8(pq-pr)+(4pq-pr)
-2y-(7y-1)5y+(4y-5q)+(8q+y)
5(4m-2)-8m3+(2x+10)-(6x-7)
7(-ab+8a)-(4a-7b)11(abc+6a)-3(3a+3abc)
8(xy-6z)+(-xy-7z)-4(pq-pr)-(7pq-pr)
-9a+(6a+8)a-(6a+7z)+(5z+3a)
-3(3b+10)-5b2+(6y+3)+(5y+2)
4(ab-9a)-(4a-3b)8(abc-7a)-2(7a+5abc)
2(xy+2z)+(-xy-8z)-7(pq-pr)-(7pq-pr)
2x+(6x+1)5x+(7x+4q)+(3q-x)
-6(6b+1)-2b2+(2a-5)+(4a-10)
5(-ab-6a)+(4a-5b)8(abc+7a)-5(3a-2abc)
8(xy+2z)-(-xy-3z)-5(pq-pr)+(8pq+pr)
9y+(6y+3)4y-(7y+5q)-(7q+4y)
-4(6a+3)-3a3+(6b+9)-(7b-2)
5(-ab+4a)+(2a-7b)14(abc-3a)+4(3a+7abc)
3(xy-5z)+(-xy+4z)-3(pq+pr)-(4pq+pr)
-6a+(9a-2)a+(9a+6p)-(6p+a)
7(7m-1)+2m10-(2b-7)+(8b+9)
3(ab+9a)+(4a-4b)16(abc+2a)+7(6a+2abc)