七年级数学上册合并同类项专项训练56.docx
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七年级数学上册合并同类项专项训练56.docx
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七年级数学上册合并同类项专项训练56
6b+(6b+3)3b+(7b+6p)+(7p-3b)
-6(9a-2)+8a9-(3n-2)+(5n+8)
9(ab-8a)-(5a-9b)14(abc+2a)+9(2a-6abc)
3(xy+9z)-(-xy+9z)-7(pq+pr)-(5pq-pr)
8m-(7m+1)3m-(6m+8s)-(5s+m)
-3(2t+5)+7t5+(7x-3)+(5x-3)
4(ab+6a)-(9a+5b)18(abc-2a)-2(6a+2abc)
2(xy+5z)-(-xy-6z)-5(pq+pr)+(9pq+pr)
-8x-(9x+7)x-(7x+7c)+(5c-9x)
7(9m-6)+2m2+(7m+7)-(8m-2)
7(ab-4a)+(9a-7b)10(abc-7a)-6(3a-5abc)
6(xy+5z)+(-xy+5z)-3(pq-pr)-(3pq+pr)
5x-(8x-4)x+(7x+9d)+(6d-x)
8(9s+8)+8s7+(5x-8)+(2x-6)
7(-ab-4a)+(9a+7b)15(abc-2a)-2(3a+8abc)
5(xy+6z)+(-xy-7z)-5(pq+pr)-(7pq-pr)
9b-(8b+2)b+(2b+6p)+(9p+7b)
-5(5a-2)+6a4+(8x-10)+(2x-2)
5(ab-6a)-(4a-9b)5(abc-8a)+2(5a-3abc)
4(xy-4z)-(-xy-7z)-4(pq-pr)-(2pq-pr)
-4b-(9b-3)5b+(8b+7s)+(6s+b)
-6(6s-7)-7s5-(9a-7)+(6a+10)
9(-ab-3a)+(3a-5b)5(abc-6a)-6(5a+4abc)
4(xy+4z)+(-xy-8z)-4(pq+pr)-(7pq-pr)
-7n+(3n-4)2n+(8n-6p)-(2p+n)
4(7b+9)-6b1-(8y+9)+(6y+10)
5(ab+8a)-(7a+8b)6(abc-9a)-4(8a+5abc)
9(xy-7z)+(-xy+7z)-4(pq-pr)-(7pq-pr)
-7x-(9x-7)x-(6x+2z)-(6z+x)
-4(5m-1)-8m1+(5b+4)-(5b+4)
4(-ab+2a)-(3a+9b)18(abc+5a)+8(4a+5abc)
5(xy+4z)-(-xy-8z)-5(pq+pr)+(8pq-pr)
7a-(6a-1)2a+(9a+8z)-(4z+a)
-4(3m-9)+3m9-(6a+9)-(5a+1)
6(ab-7a)+(8a-2b)6(abc+8a)-6(5a-9abc)
7(xy+7z)-(-xy-9z)-9(pq-pr)-(6pq+pr)
-6x+(2x-3)2x-(6x+4q)-(7q-x)
-5(4a-7)-6a8+(8m-2)-(6m+7)
3(ab-3a)-(9a+2b)18(abc-5a)+4(3a+2abc)
9(xy+2z)+(-xy-3z)-6(pq-pr)-(5pq-pr)
-7b-(7b+2)6b+(7b-3q)+(4q-5b)
7(5n+8)+6n9+(5m+3)+(5m+8)
4(-ab-6a)-(5a+3b)8(abc-5a)-5(2a-8abc)
3(xy+9z)-(-xy-8z)-2(pq+pr)-(8pq-pr)
-5x+(8x-6)2x-(4x-2q)+(4q-6x)
-9(8b+1)-6b1-(6b-5)-(4b+5)
7(ab-3a)-(7a+5b)11(abc+6a)+8(8a-2abc)
9(xy-8z)+(-xy-3z)-7(pq+pr)-(8pq+pr)
7m-(7m-5)m-(2m+6z)-(2z+3m)
6(7a+5)+4a7-(6n-1)+(2n-1)
9(ab+5a)-(8a-6b)15(abc+6a)-2(6a-4abc)
7(xy+2z)+(-xy+8z)-6(pq+pr)-(4pq-pr)
-2x+(7x-5)3x-(3x-2p)+(6p-6x)
4(6m-1)+3m8+(2n+7)-(5n+9)
4(-ab+2a)-(2a+8b)2(abc-9a)-6(6a+7abc)
2(xy+2z)+(-xy-7z)-5(pq+pr)-(9pq+pr)
-5n-(3n-1)n+(5n+7s)+(4s+n)
-7(4a+6)+7a9+(4b+10)+(9b-7)
9(-ab-8a)+(6a-4b)10(abc+5a)-8(9a-7abc)
7(xy+7z)-(-xy-8z)-4(pq-pr)+(8pq+pr)
-2m-(9m+6)m-(4m-3p)-(8p+m)
-2(9t-2)+3t10-(3a-6)-(2a+10)
3(ab+2a)-(6a-5b)14(abc-6a)+3(5a+7abc)
4(xy+9z)+(-xy+5z)-4(pq+pr)-(5pq-pr)
2a+(9a-5)a-(6a+3z)+(7z-a)
-8(7s-1)-8s10-(9a+7)+(5a-7)
3(-ab+7a)-(5a-9b)19(abc-8a)-2(2a-7abc)
2(xy-3z)-(-xy-7z)-4(pq-pr)+(3pq-pr)
-5x-(3x-4)3x+(7x-2c)+(6c+x)
-8(5s-3)-9s10+(6b+2)-(8b-2)
2(ab-7a)-(7a-4b)10(abc+9a)+5(3a+8abc)
8(xy+8z)+(-xy+9z)-9(pq-pr)-(3pq+pr)
-5m-(7m-7)5m-(7m+2d)-(9d+m)
-3(5m-8)+2m2+(5b-2)-(7b+9)
9(ab-6a)-(4a+3b)4(abc+2a)+3(7a-4abc)
8(xy-3z)+(-xy+5z)-8(pq-pr)+(5pq+pr)
7n+(4n+8)n+(7n+2q)+(3q+n)
-2(6n+8)-6n5-(4a+2)-(9a-3)
3(-ab+8a)+(6a-7b)19(abc+2a)+7(5a+4abc)
6(xy-3z)-(-xy+7z)-7(pq-pr)-(2pq-pr)
-5n-(4n+3)n-(8n-4c)+(4c+7n)
4(2a-2)+4a2+(9x+2)+(6x-9)
7(-ab+2a)+(3a+3b)14(abc+7a)-4(3a+7abc)
7(xy+7z)+(-xy-7z)-6(pq-pr)-(8pq-pr)
3m+(3m-8)6m-(6m+9d)-(7d-7m)
-2(6t-1)-8t8+(5m-10)+(7m+2)
3(ab+5a)-(2a+9b)17(abc+2a)-4(5a+8abc)
2(xy-7z)+(-xy-6z)-3(pq-pr)-(9pq-pr)
-6b-(9b-9)b+(8b-6q)+(3q-b)
3(3m+1)-9m1-(2x+9)-(6x+7)
7(-ab+2a)-(6a-4b)12(abc-9a)-5(6a+8abc)
4(xy-2z)+(-xy-9z)-4(pq+pr)-(4pq-pr)
-3b-(2b-8)b-(2b+2s)-(7s+b)
-2(2a-7)+7a6+(8m+1)+(5m+3)
5(-ab-2a)+(7a-6b)16(abc+9a)+9(3a-5abc)
9(xy+5z)-(-xy-4z)-5(pq+pr)+(2pq+pr)
-5a-(8a+8)3a+(3a+4d)-(3d-a)
-4(2b+7)+8b8-(8b+8)-(9b+3)
3(-ab+6a)-(8a+6b)8(abc+6a)-8(7a-4abc)
2(xy+6z)+(-xy-9z)-2(pq-pr)-(4pq-pr)
5a-(5a-5)a+(7a-6c)-(6c+a)
-7(3s+5)-2s7-(5a-7)-(4a-2)
5(-ab-2a)+(3a+8b)8(abc-3a)-3(3a+7abc)
9(xy-5z)+(-xy-7z)-5(pq-pr)+(7pq+pr)
-3x+(7x-9)x-(3x+8s)-(3s-x)
8(6n-2)-2n2-(6b+2)-(2b+5)
4(-ab-6a)-(9a+8b)10(abc-8a)-9(2a+5abc)
6(xy+7z)+(-xy+8z)-5(pq-pr)-(3pq+pr)
9b-(4b-8)b+(8b+5p)+(9p+9b)
-7(5m+2)+2m1-(4x+1)-(4x+6)
4(-ab-3a)+(4a+4b)13(abc+6a)-7(5a-2abc)
8(xy+6z)-(-xy-2z)-2(pq-pr)-(9pq+pr)
-7a-(5a-3)a-(5a-8p)+(2p-6a)
-2(8n+6)-2n5-(2m-7)-(4m-1)
6(-ab+3a)+(5a+5b)5(abc+5a)+5(8a-8abc)
7(xy-6z)+(-xy+4z)-6(pq+pr)-(8pq-pr)
3m-(7m-7)6m-(7m-9s)+(2s+m)
-7(5t-3)+6t7-(4a+10)-(4a+6)
6(-ab-7a)+(5a+6b)18(abc+2a)-2(9a-7abc)
6(xy-9z)-(-xy+9z)-9(pq+pr)-(7pq-pr)
4b-(7b-5)8b-(4b-8c)-(8c+8b)
-3(2m+5)-4m8+(5n+3)+(3n-3)
6(-ab+7a)+(3a-6b)18(abc+7a)+7(2a+3abc)
6(xy+5z)-(-xy+3z)-3(pq+pr)-(3pq+pr)
5n-(9n-2)9n-(5n-4c)+(2c+7n)
-9(2n-8)+7n9+(4a-4)+(3a-8)
8(-ab+8a)-(6a+7b)3(abc+3a)+3(8a-5abc)
8(xy+9z)+(-xy+2z)-7(pq-pr)-(5pq-pr)
-5b-(2b+2)8b-(9b+5q)+(2q+8b)
5(2n-10)-6n3+(2y-6)-(5y-6)
9(-ab+3a)-(4a+3b)17(abc-4a)-7(5a+2abc)
2(xy-8z)-(-xy-6z)-8(pq+pr)-(2pq+pr)
-8b+(5b-8)5b+(3b+2q)+(3q-2b)
6(3a-3)+8a7+(7a+1)+(4a+7)
5(ab-6a)-(8a-9b)5(abc+6a)-8(7a+5abc)
5(xy+9z)+(-xy-7z)-9(pq-pr)+(8pq-pr)
-4b-(7b+3)b+(4b-5p)-(6p-2b)
-4(3m-2)+2m3+(9m+9)-(5m+7)
9(-ab-7a)+(2a-8b)18(abc+2a)-2(3a+3abc)
9(xy+6z)+(-xy-6z)-8(pq+pr)-(2pq+pr)
-9n+(8n-5)n-(8n-7z)-(4z-8n)
4(6b-9)-5b6-(3n+8)-(3n-9)
3(-ab+7a)-(7a-8b)9(abc+9a)-4(3a+3abc)
6(xy+3z)-(-xy-4z)-8(pq-pr)-(7pq+pr)
6b+(6b-6)b+(6b+3d)+(5d-b)
7(7s+3)+8s8+(9x-10)+(7x+2)
9(-ab-5a)-(8a+6b)5(abc+3a)+3(8a+3abc)
8(xy+7z)+(-xy+4z)-9(pq+pr)+(3pq+pr)
3b+(4b-4)3b+(4b-6q)-(6q+8b)
4(9s-9)-5s7-(9a+8)-(9a-10)
9(-ab+4a)-(3a-4b)7(abc-5a)-7(6a+2abc)
2(xy+7z)-(-xy-6z)-8(pq-pr)-(3pq+pr)
-8a+(6a+7)9a+(3a+4p)+(8p+9a)
-9(9s+10)-6s2-(6b+9)-(8b+1)
2(-ab+9a)-(4a+5b)12(abc+6a)+9(9a+9abc)
2(xy+4z)-(-xy-6z)-9(pq-pr)-(4pq-pr)
4m+(9m-5)m+(7m+8d)+(6d-m)
-7(4s-9)+5s8+(6y-2)+(2y-6)
4(-ab-8a)-(3a+2b)10(abc-9a)-7(6a-8abc)
6(xy+8z)+(-xy+7z)-4(pq-pr)+(4pq+pr)
-8x+(5x+4)5x-(7x-2p)-(7p-5x)
-9(4a+9)-4a6-(4x+6)-(3x-6)
9(ab-4a)+(5a-6b)10(abc-6a)-9(4a+8abc)
5(xy+7z)+(-xy-5z)-9(pq+pr)-(2pq+pr)
7n-(6n-2)n+(2n-3c)-(8c-9n)
-4(7m+4)-6m7+(7x+5)+(5x-5)
5(-ab-3a)+(6a+8b)2(abc+3a)+4(7a-8abc)
9(xy+6z)+(-xy-9z)-5(pq+pr)+(4pq-pr)
2n-(5n-4)9n-(5n+4p)-(6p+n)
5(3a-4)-3a8-(4a-8)-(2a-7)
5(-ab+8a)+(6a-2b)14(abc+9a)-7(5a-2abc)
5(xy+5z)+(-xy-4z)-3(pq+pr)-(3pq+pr)
-6y-(3y-4)7y-(2y+8d)-(5d-5y)
7(4t+10)+7t5+(4y+4)+(8y-2)
7(-ab-2a)-(7a+9b)20(abc+5a)+9(9a+8abc)
7(xy+9z)-(-xy-9z)-7(pq+pr)-(3pq-pr)
3b+(2b+1)b+(8b+9d)+(9d+5b)
3(2b+1)-6b9+(7n-9)+(4n-4)
8(ab-5a)-(6a+5b)4(abc-8a)-3(3a-3abc)
4(xy-2z)+(-xy-7z)-2(pq-pr)-(7pq+pr)
-9a-(4a+9)a+(7a+7q)+(9q+2a)
-7(3a-5)-2a9-(2x-3)-(5x-3)
7(-ab+4a)-(7a+8b)11(abc-5a)+3(2a-4abc)
2(xy+9z)-(-xy-7z)-9(pq-pr)-(3pq-pr)
-8m+(4m-9)m+(9m-8z)+(3z+8m)
-8(7b+10)+4b1-(5x-7)-(5x+8)
9(ab+8a)-(7a+4b)17(abc-7a)-6(4a-2abc)
7(xy+7z)+(-xy-7z)-7(pq-pr)+(3pq-pr)
5y+(2y-3)y+(7y+9z)-(7z-9y)
7(5a+9)-3a6-(9n+4)+(2n-4)
8(-ab+8a)-(9a-7b)16(abc-5a)+2(7a+9abc)
8(xy-5z)+(-xy+4z)-8(pq-pr)-(8pq+pr)
2y-(4y-6)y+(8y-5p)-(6p-y)
5(6a-5)-3a8-(6b+3)-(8b-8)
4(ab-6a)+(9a-3b)4(abc+9a)+9(7a-3abc)
6(xy+2z)-(-xy-7z)-5(pq-pr)-(2pq-pr)
-4a-(9a+4)a+(3a+8s)+(3s+4a)
9(4s-3)+5s5+(4n+4)+(2n-6)
3(-ab-8a)+(8a+9b)18(abc-4a)-5(2a-6abc)
6(xy+9z)-(-xy+7z)-2(pq+pr)+(7pq+pr)
-5a-(8a+8)8a+(4a+6s)+(9s-7a)
-8(9n+7)-8n9+(7n-5)-(6n-9)
6(ab+7a)-(4a+3b)8(abc+9a)-9(3a-5abc)
3(xy-9z)+(-xy+8z)-4(pq-pr)-(6pq+pr)
3a+(3a+4)a+(5a-4z)+(7z-a)
8(3n+7)+9n7+(8m-3)-(6m+7)
2(-ab-9a)+(7a-9b)4(abc-3a)-6(3a-9abc)
5(xy-4z)-(-xy+8z)-4(pq-pr)-(3pq+pr)
2a-(2a+7)4a-(7a-6c)-(2c+a)
-3(7t+1)+2t5-(3x+8)-(3x+2)
7(ab+5a)+(2a+3b)19(abc+4a)+8(9a-2abc)
7(xy-6z)+(-xy+2z)-8(pq-pr)+(7pq-pr)
-5m+(4m+7)2m+(7m+4d)+(9d+7m)
4(5a-4)-6a2+(8x-9)-(5x+9)
7(-ab-6a)+(4a-4b)15(abc-5a)+9(6a+2abc)
6(xy-4z)+(-xy-9z)-7(pq-pr)+(2pq-pr)
-8b+(3b+6)b+(4b+2p)-(9p-b)
-5(7a-2)-4a9+(4a-1)-(4a+9)
2(ab-5a)-(2a-5b)6(abc+4a)-4(6a-3abc)
4(xy+7z)-(-xy+8z)-2(pq-pr)+(3pq-pr)
-5m-(4m-4)2m-(4m-4s)+(2s+8m)
-9(9n-9)-8n3+(6x-8)+(7x-4)
2(-ab-7a)+(5a-3b)3(abc-4a)+6(7a-3abc)
4(xy+9z)+(-xy-3z)-3(pq+pr)-(4pq-pr)
2a-(2a+1)a+(4a-8q)+(5q+a)
2(9b+3)-9b4-(9y+4)-(2y-5)
7(ab-3a)+(7a-5b)6(abc-6a)-4(3a-2abc)
7(xy-5z)-(-xy-5z)-4(pq-pr)+(3pq+pr)
-5y+(6y-5)6y+(8y-5s)+(5s-y)
3(3n+1)-8n4-(5a+3)+(7a+6)
6(ab-2a)-(3a+7b)4(abc+2a)-3(2a-8abc)
6(xy+5z)+(-xy-9z)-6(pq+pr)+(3pq+pr)
5a+(9a-9)a-(6a-7c)-(5c-7a)
5(2n+4)-8n7-(4a+4)+(7a-4)
6(ab-6a)-(6a-2b)5(abc+8a)-4(4a+6abc)
8(xy-4z)-(-xy+9z)-4(pq-pr)-(7pq+pr)
-7a+(8a+9)a+(8a-4d)+(8d+3a)
6(4s-4)-4s2+(7a+9)-(7a+1)
5(ab-4a)-(3a-3b)20(abc-7a)+9(6a-9abc)
4(xy-3z)-(-xy-8z)-7(pq-pr)+(5pq+pr)
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