七年级数学上册合并同类项专项训练90.docx
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七年级数学上册合并同类项专项训练90.docx
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七年级数学上册合并同类项专项训练90
-6x-(2x+1)x+(6x-7z)+(9z+2x)
2(5s+5)+4s9-(3b+7)+(4b-7)
5(ab-4a)+(2a-7b)10(abc+9a)-6(3a+9abc)
7(xy+2z)+(-xy+6z)-9(pq-pr)-(6pq-pr)
-6x+(9x+3)x-(4x+4s)+(3s+x)
8(3m+9)+6m7+(2m+3)-(7m-1)
3(ab-8a)-(6a+5b)4(abc+9a)-8(5a-9abc)
9(xy-9z)+(-xy+3z)-2(pq+pr)-(6pq-pr)
-5x-(4x+5)7x+(2x-9d)+(5d+x)
4(2m-10)+8m3+(8a+4)-(4a+5)
9(-ab-7a)-(5a+2b)19(abc-3a)-6(6a-3abc)
3(xy-3z)-(-xy+3z)-9(pq+pr)-(6pq+pr)
5n-(6n+5)3n+(6n-4p)+(4p-7n)
9(6n+8)-9n4-(5y-6)+(6y-5)
8(-ab-9a)+(9a-7b)10(abc-3a)-9(8a+7abc)
5(xy+5z)+(-xy-4z)-4(pq-pr)-(7pq-pr)
-3a-(7a+9)2a+(8a+8z)-(3z+8a)
-5(7n-5)-7n4-(2a-9)-(6a+10)
4(ab+4a)-(6a-7b)11(abc-9a)-6(9a-5abc)
6(xy-4z)+(-xy-9z)-2(pq-pr)+(2pq+pr)
-7n+(3n-8)n+(8n-6s)-(9s+n)
-2(4t-4)-7t4+(4n+10)+(2n-3)
9(-ab-8a)-(9a+6b)8(abc+2a)-2(9a+2abc)
2(xy+6z)-(-xy+4z)-3(pq+pr)-(2pq-pr)
6b+(6b+4)b+(2b+4s)-(2s-b)
8(6m+6)-4m9-(5a-6)+(2a-5)
2(-ab-4a)-(9a+6b)18(abc+9a)+5(4a-4abc)
9(xy+3z)+(-xy+4z)-8(pq-pr)-(7pq+pr)
-3a-(4a+2)2a+(8a+7z)-(5z+a)
-4(4a-7)-2a5-(3n+10)-(7n+5)
5(ab+9a)-(8a+2b)4(abc-4a)-3(7a-5abc)
6(xy+5z)-(-xy-2z)-8(pq+pr)-(6pq-pr)
-8a-(7a-5)2a-(5a-5p)+(2p-a)
-7(3t+5)-8t6+(6b-4)+(8b+6)
4(-ab-8a)-(7a+4b)20(abc+3a)-3(7a-6abc)
3(xy+6z)-(-xy-4z)-3(pq-pr)-(3pq+pr)
-3x-(8x-8)3x+(5x+3z)+(2z-x)
-7(8s-4)+7s2-(7m-5)-(2m-6)
3(ab+9a)-(7a+6b)13(abc+8a)-7(8a+6abc)
2(xy-8z)+(-xy-5z)-3(pq+pr)-(3pq+pr)
6m-(3m+3)9m-(5m-7p)+(6p-5m)
5(3b-10)-4b6+(3n+8)+(7n-8)
8(-ab+2a)-(2a-8b)10(abc+2a)+9(9a-9abc)
3(xy+7z)-(-xy+8z)-7(pq+pr)+(5pq-pr)
-9x+(5x+9)3x+(7x-4p)-(6p-x)
5(9a+8)+8a1-(8a-9)-(6a-10)
5(-ab+5a)-(8a+5b)5(abc+7a)+8(9a+7abc)
9(xy-3z)-(-xy+3z)-8(pq+pr)-(6pq-pr)
-3a+(5a-5)2a-(7a+2p)-(5p+a)
-9(8b-1)+9b9+(3y-4)+(2y+7)
9(ab+6a)+(7a-7b)19(abc-8a)-3(8a+2abc)
9(xy+6z)-(-xy+5z)-3(pq+pr)+(4pq-pr)
-5x-(2x+7)9x+(3x-4c)+(9c-x)
-4(8n+10)-4n6+(8a+8)-(8a-7)
7(ab-7a)+(3a-8b)2(abc-6a)+9(5a-6abc)
4(xy+3z)-(-xy+5z)-6(pq+pr)+(2pq+pr)
7b+(7b-3)b+(9b-2c)+(5c-7b)
-2(8t+10)-2t8-(8y+8)+(9y+6)
2(ab-3a)-(2a+2b)19(abc+4a)+9(4a-9abc)
4(xy-4z)+(-xy+5z)-5(pq+pr)-(2pq-pr)
-3m+(4m+4)m+(9m+9c)+(8c-6m)
3(3n+2)+8n10-(8m+7)-(4m+1)
6(ab+5a)+(6a+4b)17(abc+5a)+6(8a-8abc)
6(xy-4z)+(-xy+7z)-3(pq+pr)-(8pq+pr)
8a+(2a+5)8a+(3a+9d)+(9d+9a)
-3(7s-4)+9s4-(2n-4)+(7n+9)
2(-ab-4a)+(4a-4b)12(abc-6a)+3(6a-7abc)
8(xy+8z)+(-xy+6z)-6(pq-pr)+(3pq-pr)
-5y-(2y+8)y-(5y-7q)-(8q-9y)
6(4n-2)+4n6-(7m-2)+(4m+4)
8(ab+2a)+(5a+2b)13(abc+4a)+4(2a+6abc)
7(xy-8z)+(-xy+2z)-2(pq+pr)-(5pq+pr)
-3y+(3y-9)9y-(3y+8d)+(5d+y)
2(5s-5)+5s7+(4a+9)-(6a+10)
2(ab-7a)-(6a-5b)18(abc-7a)-6(7a+9abc)
9(xy+9z)-(-xy+6z)-7(pq+pr)+(4pq-pr)
3x+(2x+7)8x+(8x+9q)-(3q-x)
8(8s+7)-6s10+(9a+8)-(3a-1)
9(-ab+2a)+(7a-6b)3(abc-7a)+5(9a-4abc)
5(xy-3z)+(-xy+6z)-3(pq+pr)-(4pq-pr)
7m-(2m+2)7m+(2m-7c)+(4c-6m)
-3(6b-7)+4b4+(6y+3)+(6y-9)
5(-ab+4a)-(5a+6b)7(abc-8a)+3(4a+5abc)
9(xy+3z)+(-xy-5z)-5(pq-pr)+(9pq-pr)
4n+(5n-9)8n+(8n-6d)-(5d+n)
-4(9s+2)-9s6-(4a-8)+(8a-7)
3(ab+7a)-(3a+9b)3(abc+2a)-5(2a+4abc)
8(xy+9z)-(-xy-8z)-4(pq+pr)+(6pq-pr)
-7a+(7a+6)a+(8a-4q)+(2q-a)
5(8s+9)-9s2+(6n+7)-(9n-3)
2(-ab+7a)+(8a+6b)17(abc-7a)-3(6a-9abc)
3(xy-8z)-(-xy+3z)-5(pq-pr)+(8pq+pr)
8x-(9x-4)x-(6x-8d)+(7d-4x)
7(3b+5)-8b3+(9x+7)+(9x+10)
4(ab+2a)-(8a+8b)17(abc+6a)-4(4a+9abc)
3(xy-8z)+(-xy+5z)-7(pq-pr)+(9pq-pr)
2x+(7x-2)x+(8x+9c)+(3c+9x)
-3(5n-3)+6n9-(5b+5)+(2b+3)
7(ab+3a)+(8a+6b)14(abc+2a)-2(5a-8abc)
9(xy+9z)+(-xy+6z)-6(pq+pr)+(6pq-pr)
-6n+(8n-5)n-(5n-7d)-(3d+n)
-7(7t-2)-2t7-(4x-10)-(3x-9)
6(-ab-7a)+(5a-8b)6(abc+8a)-7(6a+9abc)
8(xy+2z)+(-xy-5z)-9(pq+pr)+(5pq+pr)
-4b+(5b-1)b-(2b+5p)-(3p+b)
-3(2b+9)-8b9-(2x+9)+(2x+8)
5(ab+3a)+(9a+8b)17(abc+4a)+2(3a+7abc)
3(xy-7z)-(-xy-2z)-7(pq-pr)+(9pq+pr)
-7m+(7m+5)m+(2m+2c)+(2c+m)
8(3b-5)+2b7+(9m-3)-(6m-10)
9(ab-4a)-(9a-3b)17(abc-3a)+4(7a-7abc)
4(xy+6z)-(-xy-7z)-6(pq-pr)+(6pq-pr)
7b-(4b-4)3b+(9b+6z)+(6z-6b)
-8(7b-4)+7b1+(3m-8)+(3m+8)
5(-ab-3a)-(6a+2b)7(abc+2a)-5(7a+5abc)
7(xy+7z)+(-xy+9z)-6(pq-pr)+(6pq-pr)
6y-(8y-8)2y-(3y+2c)+(6c+3y)
-4(3s+8)-9s6+(3m+2)+(6m-8)
4(ab-8a)+(5a+5b)14(abc+4a)-4(9a-9abc)
8(xy-7z)+(-xy-4z)-6(pq-pr)+(5pq+pr)
-8m+(2m-4)m-(7m+7d)-(3d+m)
3(9n+9)-7n3+(3y+10)+(7y+10)
4(-ab+8a)-(3a-6b)2(abc-8a)+2(3a+6abc)
7(xy-8z)-(-xy+2z)-3(pq-pr)+(5pq-pr)
8y-(8y-6)y+(5y-6d)-(4d-y)
-6(8b+5)+7b6-(4y+3)-(7y-3)
3(ab-3a)-(7a-5b)19(abc+7a)-6(7a-5abc)
3(xy-5z)-(-xy+2z)-4(pq-pr)+(6pq-pr)
-9b-(9b-2)4b+(2b+6z)+(2z+b)
-2(3b-10)-4b5+(2n-9)-(3n-7)
2(-ab+5a)+(8a+2b)13(abc-2a)+3(6a+9abc)
7(xy-9z)+(-xy+3z)-4(pq+pr)-(3pq-pr)
3y+(7y+9)y-(7y-2c)+(9c-5y)
-8(7a-6)-5a8-(4n-5)-(7n-8)
2(-ab+5a)-(5a-2b)16(abc+3a)-2(8a+2abc)
2(xy-7z)+(-xy-2z)-6(pq-pr)+(2pq+pr)
5b-(8b-7)9b+(8b-6c)+(7c-b)
7(5a+2)+2a10-(3n-2)-(4n-2)
9(ab-3a)+(2a-3b)4(abc+2a)-4(5a+8abc)
3(xy+5z)+(-xy-5z)-8(pq-pr)-(9pq+pr)
9a-(9a+9)2a+(6a+8p)-(9p-5a)
2(4t-6)-3t6-(8b-5)+(7b+7)
8(ab-4a)+(4a-3b)11(abc-4a)-5(4a-8abc)
5(xy-3z)-(-xy+2z)-9(pq+pr)+(2pq+pr)
-7b-(9b+9)9b-(9b-5z)-(9z+b)
-9(7a+10)+2a10+(2a+6)-(5a+2)
3(ab+9a)+(8a-8b)5(abc-5a)-4(2a-2abc)
4(xy+2z)-(-xy-9z)-5(pq-pr)-(6pq+pr)
-7n-(4n-9)n+(3n+5q)-(8q-2n)
-3(5t+3)+7t5+(4y-3)+(3y+8)
7(-ab-5a)+(8a-5b)18(abc+9a)+3(3a+2abc)
2(xy-6z)+(-xy-6z)-7(pq-pr)-(6pq-pr)
4n+(4n-2)7n+(5n-8c)-(2c-9n)
-2(3b+5)+5b6+(5a-4)-(8a-7)
8(ab+4a)+(6a-8b)15(abc-4a)-5(8a+4abc)
6(xy+5z)-(-xy-8z)-4(pq+pr)-(4pq-pr)
-3x+(2x-4)x-(9x-7z)-(5z+x)
3(6t-6)+6t10+(7y-4)+(2y+8)
7(ab-5a)+(5a-5b)4(abc+7a)+2(4a+9abc)
9(xy-6z)-(-xy-9z)-9(pq+pr)-(6pq-pr)
-7x+(8x+7)x+(5x-2p)-(4p+x)
4(2b+2)-4b8-(2a-7)+(6a+8)
2(-ab-2a)+(8a+5b)7(abc+9a)-4(9a-7abc)
5(xy+2z)-(-xy+7z)-3(pq-pr)+(7pq-pr)
2n+(5n-5)8n-(2n-7d)+(5d-5n)
8(3m+3)+2m8-(5b-7)-(6b+7)
3(-ab-4a)-(7a+3b)7(abc+4a)+2(7a+6abc)
2(xy-6z)+(-xy+9z)-2(pq-pr)-(2pq+pr)
5y-(6y+9)4y-(7y-6z)+(3z-y)
3(9n+3)-3n2-(8b+1)+(4b+2)
4(ab+2a)+(6a-4b)3(abc-7a)+7(3a+3abc)
3(xy-8z)-(-xy-9z)-7(pq-pr)-(6pq-pr)
8x+(3x+8)x-(5x-2s)-(2s-x)
3(4s-8)-7s6+(2n+1)-(2n-9)
8(ab-9a)-(5a-3b)12(abc+3a)+8(3a-8abc)
9(xy+3z)-(-xy-3z)-5(pq+pr)+(4pq-pr)
-2b-(2b-7)2b-(8b-5q)+(3q+b)
7(5t-5)+4t5-(9a-2)+(3a-2)
2(ab-3a)+(3a-5b)9(abc+4a)+4(6a+8abc)
5(xy-5z)+(-xy-5z)-9(pq+pr)-(4pq-pr)
6x-(7x+4)x+(7x+8s)-(4s+x)
5(7b-10)-4b4+(8a+5)+(5a+3)
2(-ab+9a)+(4a+4b)3(abc-7a)+9(6a+2abc)
5(xy-8z)-(-xy-6z)-5(pq+pr)-(5pq+pr)
7m-(8m+8)m+(4m-6z)+(3z+2m)
5(5a-8)+7a9+(5n-5)-(2n-7)
3(-ab+2a)+(7a+5b)19(abc-4a)+4(4a-9abc)
8(xy-9z)-(-xy+7z)-3(pq+pr)+(8pq-pr)
3m+(7m+2)m+(6m+5d)+(9d+m)
-7(3m-2)-4m6-(9x-8)+(4x+1)
3(ab+8a)-(6a+3b)15(abc-8a)-3(9a-8abc)
7(xy-9z)-(-xy-7z)-8(pq+pr)-(8pq+pr)
-9x+(4x-8)4x-(7x+6q)+(9q+x)
-7(4b+2)+2b4-(7x+10)+(9x+3)
2(-ab+9a)+(5a-9b)2(abc-9a)-8(4a+8abc)
3(xy+7z)-(-xy+6z)-3(pq+pr)-(5pq+pr)
-7b+(9b+4)b-(9b-3q)-(4q+5b)
-2(9n+9)-8n3-(6n-2)-(3n+9)
5(ab-7a)+(3a+5b)4(abc+3a)+9(6a-3abc)
2(xy+6z)+(-xy+4z)-7(pq+pr)+(4pq-pr)
-5m+(2m+7)9m-(7m-8c)+(5c+m)
7(2s-5)-8s10+(3b-3)+(9b+3)
5(ab+2a)-(9a+9b)6(abc+5a)+2(2a-9abc)
3(xy-5z)+(-xy-3z)-4(pq-pr)+(5pq+pr)
-3m-(4m-8)6m+(2m-5q)-(9q+7m)
-7(5s+10)-3s8-(9y+9)-(4y-2)
9(ab-4a)-(2a+8b)11(abc-7a)+6(4a+6abc)
5(xy-6z)+(-xy+9z)-8(pq+pr)+(4pq+pr)
4m-(5m+3)m+(8m-9c)+(4c+m)
-5(4b-8)+5b1+(8a+7)+(3a+5)
3(ab-4a)-(6a-4b)8(abc+3a)-9(6a-8abc)
3(xy+8z)-(-xy-8z)-8(pq-pr)-(4pq-pr)
-2b-(3b+7)b+(2b-6p)-(4p+7b)
7(8m+7)-3m9-(7n-10)+(2n+3)
2(-ab-6a)-(8a-9b)18(abc+7a)+3(8a+7abc)
3(xy-7z)+(-xy-2z)-9(pq-pr)+(7pq+pr)
9n+(6n+8)n+(3n+4s)-(5s+n)
2(5n-3)+9n5-(3b-9)-(2b-5)
3(-ab+3a)+(7a-9b)2(abc+8a)-2(9a-6abc)
4(xy+3z)+(-xy+4z)-4(pq+pr)+(9pq-pr)
5b+(5b+8)7b+(5b-3d)-(7d+4b)
-3(3m+10)-8m3-(9m+8)+(8m+10)
3(ab+3a)+(7a-3b)16(abc+9a)+8(4a+9abc)
9(xy-5z)-(-xy+9z)-6(pq+pr)-(2pq-pr)
8a+(5a-1)2a+(5a+2p)+(6p+7a)
5(7t-9)+8t2-(3a-10)+(6a+9)
7(ab-6a)-(2a+5b)15(abc-4a)-3(4a+3abc)
2(xy-2z)-(-xy+8z)-7(pq-pr)+(5pq+pr)
3a+(9a+5)3a+(9a+6s)+(2s-a)
-9(8n-10)+6n6-(3n+10)-(8n+9)
9(ab-4a)+(9a+7b)17(abc+5a)-6(3a+3abc)
6(xy-8z)+(-xy+6z)-4(pq+pr)-(4pq-pr)
2b+(9b-2)3b-(5b-4z)+(8z+b)
2(5n-3)+6n10+(5y+2)+(3y-9)
3(ab+4a)-(9a+2b)12(abc+7a)+3(6a-5abc)
4(xy+7z)+(-xy+6z)-8(pq-pr)-(5pq+pr)
5m+(9m-9)8m+(7m+7z)+(8z-m)
3(9m-3)+6m3-(4x-3)-(4x-8)
8(ab+4a)+(7a+2b)16(abc+3a)-6(6a-8abc)
4(xy+3z)-(-xy-8z)-3(pq-pr)+(8pq+pr)
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