七年级数学上册合并同类项基础练习题141Word格式文档下载.docx
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2y-(9y-6)y-(5y-4p)+(4p+5y)
6(5t-1)-8t5-(7b+1)-(6b-10)
8(ab+4a)+(3a-5b)6(abc+9a)-5(4a+9abc)
2(xy-3z)+(-xy-8z)-4(pq+pr)+(3pq-pr)
-9n+(5n+9)2n-(9n-3p)+(9p-4n)
-5(7t+4)-6t5+(3n-3)-(5n+3)
3(ab-8a)-(3a-5b)17(abc+4a)+5(7a-2abc)
5(xy+7z)+(-xy-2z)-5(pq+pr)-(5pq-pr)
-2b+(6b-9)b+(5b+3d)-(8d+b)
-5(6a+9)+8a9-(5b+8)+(4b-8)
3(ab-6a)+(3a+7b)5(abc+2a)+3(8a-6abc)
3(xy-9z)-(-xy-2z)-5(pq-pr)-(4pq+pr)
2x-(6x+3)9x+(8x+8c)-(9c-x)
9(3t-6)+4t1-(7b-3)-(9b-5)
9(-ab-7a)-(8a-8b)4(abc-5a)+9(4a+4abc)
5(xy-8z)-(-xy+2z)-6(pq-pr)-(6pq-pr)
-5b+(2b+2)5b-(7b+6c)-(9c-6b)
-9(8a-9)+9a5+(4m+3)-(3m-7)
4(ab-6a)-(3a-8b)9(abc+9a)+3(8a-3abc)
6(xy-7z)+(-xy+5z)-4(pq+pr)+(5pq+pr)
-9n-(9n+4)8n-(6n-8d)+(6d-n)
-8(9n+7)+7n6-(6b-4)+(4b-5)
5(-ab-7a)-(6a+4b)5(abc-3a)+7(5a+7abc)
8(xy+6z)-(-xy-5z)-9(pq+pr)-(3pq+pr)
-8a-(7a+1)5a-(6a+8z)-(2z-a)
5(5m+10)-3m10-(9m-9)-(8m+7)
3(-ab-4a)+(5a+8b)4(abc-2a)-3(7a-4abc)
4(xy-6z)-(-xy-4z)-3(pq+pr)+(3pq-pr)
7n-(4n-9)n+(9n+8s)+(6s+n)
-9(9n-4)-3n4-(5y-7)+(8y+9)
4(-ab-5a)-(4a-2b)14(abc+9a)+8(9a+2abc)
2(xy+6z)+(-xy+2z)-3(pq+pr)+(6pq+pr)
9x-(9x-7)4x+(2x-3z)+(7z+x)
8(2s-4)-9s2-(7b-1)-(7b-4)
7(ab-2a)+(4a+3b)15(abc-8a)+4(7a-9abc)
5(xy-8z)-(-xy+7z)-7(pq-pr)-(5pq+pr)
-3n-(5n+3)n-(4n+6z)-(4z-7n)
-9(5t-8)+7t5-(7x-5)-(2x-5)
2(-ab+3a)-(8a+6b)5(abc-8a)+8(2a+3abc)
8(xy-8z)-(-xy-7z)-8(pq+pr)+(6pq+pr)
-3m-(7m-4)5m-(5m-8z)-(4z+m)
-7(8t+5)-2t9+(7x+9)-(8x-5)
9(-ab+7a)+(9a+3b)3(abc+9a)-6(7a+5abc)
3(xy-7z)+(-xy-5z)-7(pq+pr)+(9pq-pr)
-5b+(2b+9)b+(8b-7p)-(2p-2b)
-2(7s-1)+3s8-(5m+8)-(5m+6)
6(ab+2a)-(3a+3b)8(abc-5a)+7(3a+8abc)
5(xy-6z)-(-xy-6z)-5(pq-pr)-(4pq-pr)
3n+(5n+8)n-(3n-2s)+(8s+n)
-5(4a+8)+7a5+(9m-7)-(6m-10)
9(-ab-2a)-(9a-7b)6(abc+9a)-6(8a+2abc)
8(xy-6z)+(-xy-7z)-9(pq+pr)-(2pq+pr)
-8a-(2a+3)3a+(2a+4z)-(7z+a)
6(6t+10)+4t4-(3x-8)+(3x-6)
9(ab-9a)-(4a-6b)13(abc-6a)-3(4a+6abc)
3(xy+7z)-(-xy-3z)-9(pq-pr)-(6pq-pr)
-6y+(2y+6)6y+(4y+2z)-(8z-y)
-3(8n-4)+7n2+(7x+10)-(2x+5)
5(ab+5a)-(9a+5b)13(abc-5a)-5(9a+9abc)
8(xy-8z)-(-xy+6z)-7(pq-pr)-(9pq+pr)
6a-(5a+8)2a+(3a+7d)+(9d-a)
-7(9n+4)-2n7-(2a-6)-(2a-8)
5(ab-7a)+(2a+6b)7(abc+5a)-2(3a+3abc)
9(xy+7z)+(-xy-7z)-3(pq+pr)-(5pq-pr)
-4a+(2a-2)a+(9a-7d)-(6d-a)
-8(8m-7)-9m3+(4b-8)-(2b-10)
7(ab-9a)-(4a+8b)3(abc-4a)-5(2a+8abc)
7(xy-8z)-(-xy+4z)-6(pq+pr)+(4pq-pr)
-5n-(3n-1)n+(8n+9c)+(9c-n)
9(9t-3)-6t2+(4b+4)-(4b+2)
7(-ab+4a)+(2a+9b)12(abc+5a)-4(9a-6abc)
2(xy+6z)-(-xy+9z)-7(pq+pr)-(8pq-pr)
-8x+(4x+3)6x-(9x-6s)-(7s+9x)
-3(9b-6)-3b9+(8b-4)+(4b-9)
5(ab+9a)+(8a-3b)15(abc-6a)+5(9a+8abc)
6(xy-9z)+(-xy-6z)-4(pq-pr)+(2pq+pr)
3m-(2m-7)m-(5m-7z)+(6z+m)
3(5s+9)-2s6+(2n+10)-(6n-8)
7(-ab-5a)-(4a+2b)16(abc+3a)-7(8a+4abc)
2(xy-2z)-(-xy-2z)-4(pq+pr)+(3pq+pr)
-2x-(3x+1)5x-(2x-5z)-(3z-6x)
6(4s+4)+4s1-(6m+8)-(5m-9)