七年级数学上册合并同类项基础练习题274.docx
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七年级数学上册合并同类项基础练习题274
8(-ab+6a)-(6a+4b)14(abc+3a)+4(5a-3abc)
9(xy+2z)-(-xy+6z)-4(pq+pr)-(4pq-pr)
-2b+(7b+2)b-(7b-7z)-(3z+b)
5(4b+8)-7b10-(9a+4)+(3a-4)
6(ab+6a)+(8a+7b)5(abc-9a)+6(3a-8abc)
2(xy-9z)-(-xy-5z)-3(pq-pr)+(5pq-pr)
-9b+(7b+7)b+(5b+5z)-(9z-b)
-4(2a-3)+2a7+(8a+7)-(5a-5)
9(ab-9a)-(8a-2b)19(abc+7a)-5(6a-5abc)
6(xy-3z)+(-xy+4z)-7(pq-pr)+(7pq+pr)
-9n+(8n+1)n+(8n-8z)-(3z+5n)
8(2b-6)+4b4+(6x-4)+(2x+1)
6(ab-5a)-(9a-3b)2(abc+5a)+3(7a-8abc)
7(xy+5z)-(-xy+5z)-8(pq-pr)+(5pq+pr)
2b-(7b+6)b+(2b+7q)+(8q-b)
6(6m-8)-3m2+(6m-7)-(3m-2)
8(ab+3a)+(3a+5b)6(abc+6a)-7(5a-3abc)
3(xy-7z)+(-xy+4z)-8(pq+pr)-(2pq+pr)
7a+(4a+7)a-(8a-8q)-(4q+a)
6(7m-9)-7m3+(9y+3)+(2y-1)
8(-ab+3a)+(4a-6b)7(abc+4a)+7(4a+5abc)
7(xy-5z)-(-xy-5z)-7(pq+pr)-(6pq+pr)
9a-(7a+2)a+(8a-6d)-(3d+a)
-9(5t+3)-9t5+(5m-7)-(8m-7)
8(ab+5a)-(4a-5b)19(abc-4a)-5(7a+7abc)
3(xy-5z)+(-xy+6z)-4(pq+pr)-(2pq+pr)
-2x-(5x+3)9x-(8x-4z)-(8z+7x)
-5(6b+10)-6b1-(2a+1)+(4a+5)
7(ab-5a)+(5a-9b)10(abc-8a)+5(4a+3abc)
9(xy+4z)+(-xy-4z)-7(pq-pr)-(7pq-pr)
-6b-(3b+8)b+(5b+5d)+(5d+8b)
2(6t-7)+8t3+(8b+1)+(4b-10)
8(-ab-6a)-(4a+4b)20(abc-9a)+8(6a-7abc)
9(xy+7z)+(-xy-2z)-4(pq+pr)+(2pq-pr)
5n-(4n+2)n+(3n-4p)-(3p+6n)
-6(2m+7)+6m8-(8a+6)-(9a-8)
8(ab-7a)-(6a-5b)2(abc+2a)+2(4a-9abc)
3(xy-4z)+(-xy+4z)-7(pq-pr)-(2pq-pr)
-4x+(6x+4)x-(2x+3q)+(5q+x)
9(5b+8)-4b10-(8y-5)-(9y-2)
5(-ab-3a)-(4a+6b)2(abc+5a)+5(3a+8abc)
4(xy-9z)+(-xy-2z)-8(pq+pr)-(7pq-pr)
5a+(8a-1)8a-(6a+3c)-(6c-a)
7(8a-1)+4a5-(6y-9)+(6y+9)
3(ab+9a)+(8a+7b)16(abc-4a)+7(6a-6abc)
9(xy-8z)+(-xy-5z)-5(pq-pr)-(9pq+pr)
3m+(7m-1)6m+(7m+6c)-(4c-7m)
-7(9m-10)-3m6+(7x-2)-(5x+9)
4(-ab+6a)-(7a+9b)7(abc-7a)+7(9a-2abc)
9(xy+5z)+(-xy+3z)-7(pq+pr)+(2pq+pr)
-8x-(7x+6)x-(9x-9z)-(7z+6x)
-5(4a-3)-3a5+(7x-3)-(5x+6)
5(ab-7a)-(9a-2b)20(abc-5a)-3(8a-8abc)
3(xy+8z)+(-xy+5z)-2(pq-pr)+(5pq-pr)
2y-(4y-3)2y+(2y-4z)-(7z-y)
-9(6m+6)-2m3+(9y-2)+(5y-6)
7(ab+9a)-(2a+7b)16(abc-6a)-7(2a+6abc)
9(xy-7z)+(-xy-3z)-9(pq+pr)-(6pq-pr)
-3m+(7m-9)m-(2m-7c)-(6c+m)
-3(6a+7)-3a4-(6a+9)+(4a+8)
9(ab-6a)-(2a-5b)2(abc+5a)-2(9a+3abc)
8(xy+8z)+(-xy-8z)-4(pq-pr)-(5pq+pr)
-2m-(7m+6)m+(3m+6q)+(5q-5m)
-6(9b-2)+6b1+(4a+6)-(7a-9)
6(-ab-9a)+(4a-4b)16(abc-7a)+2(6a-9abc)
2(xy+4z)-(-xy+3z)-6(pq+pr)-(9pq+pr)
6m+(2m+5)m-(6m+8p)-(8p+m)
-2(4s+4)+4s5-(6y-3)-(5y-7)
6(ab-5a)-(8a+9b)14(abc+4a)-9(6a+2abc)
2(xy+2z)+(-xy+4z)-9(pq-pr)+(9pq-pr)
2x+(5x-8)3x-(5x+3z)+(7z+x)
7(3t-10)-6t5+(3m+7)-(4m+2)
8(ab-7a)-(6a-9b)11(abc-8a)+5(9a+7abc)
6(xy-3z)-(-xy-9z)-9(pq+pr)-(3pq+pr)
-7x+(8x-2)5x-(5x-5d)-(5d+2x)
-5(5t-4)+7t2-(2m+2)+(4m-3)
7(ab-5a)-(9a+9b)4(abc+5a)-2(7a-5abc)
3(xy-4z)+(-xy-9z)-6(pq-pr)+(8pq+pr)
-3n-(4n+6)5n+(6n-5c)-(3c-n)
-6(8n+10)-7n9-(7n-4)-(4n-2)
6(-ab-5a)+(9a-7b)6(abc-3a)+6(9a+4abc)
6(xy-5z)-(-xy+6z)-6(pq+pr)-(4pq+pr)
8m-(6m-7)7m+(2m+5p)-(2p-4m)
9(7n-9)+3n10-(2m+9)+(7m+2)
4(ab-7a)-(7a-8b)6(abc+8a)+2(4a-2abc)
7(xy+2z)+(-xy+4z)-2(pq+pr)-(3pq-pr)
-2b-(3b-1)9b+(9b-3d)+(8d-6b)
-9(9s+5)+2s2+(7a+9)-(7a-5)
9(ab+2a)-(9a+8b)15(abc+8a)+7(9a+8abc)
4(xy+5z)-(-xy-6z)-9(pq+pr)-(5pq-pr)