七年级数学上册合并同类项专项训练31.docx
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七年级数学上册合并同类项专项训练31.docx
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七年级数学上册合并同类项专项训练31
4b+(6b-1)2b+(2b-4q)+(9q+5b)
-7(6t-7)+2t7+(3n+9)-(2n-5)
8(ab-8a)-(5a-7b)18(abc-9a)+3(4a-3abc)
5(xy+8z)+(-xy-3z)-3(pq+pr)-(4pq+pr)
-4m-(8m-5)5m-(8m-5c)-(2c+4m)
-5(7t+8)+3t5-(2n+8)-(7n+8)
4(ab+5a)+(6a+4b)12(abc-5a)-9(2a-4abc)
9(xy+2z)+(-xy-9z)-3(pq-pr)+(6pq-pr)
-3x-(7x+1)4x+(2x+5z)-(5z+6x)
9(2n-2)+7n3-(5m-9)+(2m-4)
3(-ab-8a)+(5a+6b)18(abc+8a)+6(5a+6abc)
9(xy+2z)+(-xy+8z)-7(pq+pr)+(2pq+pr)
-9b-(5b+4)b+(8b+4d)+(3d+4b)
-4(7t+4)-6t4-(7x-10)+(9x+10)
8(-ab+5a)+(3a+8b)17(abc-7a)+3(4a+8abc)
8(xy-3z)-(-xy-2z)-6(pq+pr)-(3pq+pr)
8a-(5a+1)8a-(9a+7p)-(7p-4a)
-9(7b+2)-3b6-(3b-4)+(7b-10)
5(ab-4a)+(8a-4b)3(abc-8a)-6(6a-8abc)
3(xy-7z)-(-xy-6z)-4(pq-pr)-(4pq-pr)
6b-(8b-4)2b+(2b+8z)-(5z+b)
6(4t-8)-6t5+(2a+2)-(5a+8)
9(-ab+2a)+(3a+7b)20(abc-3a)+9(8a+7abc)
5(xy+3z)-(-xy-4z)-6(pq+pr)+(7pq+pr)
5n+(9n-6)n+(6n+9z)+(3z+n)
-6(5t-2)+2t4+(9a-10)-(8a-9)
6(ab+3a)-(8a-8b)2(abc-2a)-8(8a+2abc)
9(xy+2z)+(-xy+6z)-3(pq+pr)-(9pq+pr)
3m+(6m-1)m+(4m-6d)+(2d+m)
7(6m-8)+6m3+(8y+8)+(5y-6)
6(-ab-6a)+(5a+7b)12(abc+4a)+7(4a-4abc)
7(xy-6z)+(-xy-7z)-2(pq+pr)+(3pq-pr)
-3m-(4m-4)2m+(7m-3q)-(7q-m)
9(5s+3)+9s2+(8x+9)+(6x-1)
8(-ab+6a)-(9a+7b)8(abc+8a)-3(3a-4abc)
3(xy+3z)-(-xy-2z)-4(pq-pr)-(8pq-pr)
-7b+(3b+6)7b+(5b+3s)-(9s+b)
3(8t+3)+2t2-(7x-2)-(4x+9)
4(ab+8a)-(7a-8b)5(abc-5a)-8(8a-4abc)
2(xy-2z)+(-xy-4z)-2(pq-pr)-(5pq-pr)
9y+(5y+4)y-(7y+8z)-(7z+y)
2(3a-10)-9a5+(3m-10)+(9m-2)
4(-ab-7a)-(9a+5b)4(abc+8a)+8(7a-8abc)
4(xy-5z)-(-xy+5z)-6(pq-pr)-(3pq-pr)
-5m+(6m-6)4m+(6m+4d)-(2d+m)
-8(5b+3)+6b10-(6b-7)+(2b-7)
6(ab-5a)-(5a+5b)7(abc+8a)+3(5a+9abc)
7(xy-3z)+(-xy+6z)-8(pq+pr)-(9pq+pr)
-4n-(5n+2)8n-(9n+5z)-(2z-8n)
-5(9b-9)-7b8-(4n-8)-(6n+4)
4(-ab-4a)-(8a-2b)8(abc-6a)-6(9a+2abc)
7(xy-5z)-(-xy+3z)-6(pq-pr)+(4pq-pr)
-5x-(4x+1)x-(5x+8s)+(3s+x)
-6(5t-10)-9t9+(2b+9)+(6b-7)
5(-ab-9a)+(4a+9b)17(abc-8a)+7(4a+6abc)
7(xy+8z)-(-xy-2z)-9(pq-pr)-(7pq-pr)
7m+(2m+3)4m+(4m+2z)-(5z-9m)
-2(3a+7)-5a10-(9y-5)+(4y+3)
4(ab-5a)+(4a+4b)9(abc-9a)-3(2a-6abc)
8(xy+6z)-(-xy+2z)-7(pq-pr)+(9pq-pr)
6a-(2a+4)9a+(4a-8s)+(2s-a)
3(5n-6)-2n6+(6m+2)-(7m-6)
4(-ab+2a)-(9a+5b)17(abc-9a)+2(5a+2abc)
8(xy-3z)+(-xy+6z)-9(pq-pr)+(2pq-pr)
-8m-(8m-8)2m-(6m+3p)+(6p-m)
7(5a-3)-8a10-(5y-4)+(6y+8)
4(-ab-3a)+(3a+6b)20(abc-8a)+9(2a-8abc)
6(xy+9z)-(-xy-6z)-4(pq+pr)-(5pq+pr)
-7n+(6n+9)n+(2n-2s)-(8s-5n)
-5(6n-3)-9n5-(5m-6)+(7m+2)
3(-ab+8a)+(6a-9b)13(abc+9a)+7(3a-8abc)
3(xy-9z)-(-xy+6z)-8(pq+pr)+(9pq+pr)
-7y+(2y+7)4y-(6y-5s)+(4s-y)
-5(7n-2)+6n10+(2n+8)+(8n+6)
9(ab-7a)+(5a-6b)3(abc+2a)-7(5a+8abc)
3(xy+2z)+(-xy+5z)-3(pq-pr)+(5pq+pr)
9b+(8b+8)b+(5b+3q)-(4q-b)
-2(6s-9)+2s9-(2a+9)+(8a+4)
6(ab+5a)+(2a+7b)10(abc-3a)+2(7a-4abc)
4(xy-3z)+(-xy+8z)-9(pq-pr)-(4pq+pr)
9x+(3x+7)2x-(5x+6c)-(4c+x)
-2(5a-9)-9a8+(3a-5)-(8a-1)
4(-ab+7a)+(8a-8b)8(abc+4a)-6(5a+5abc)
9(xy+9z)-(-xy+8z)-7(pq+pr)+(2pq-pr)
5b+(4b+7)4b+(4b+2p)+(3p-b)
-2(4m+4)+7m5-(9n-2)+(4n+4)
7(-ab-7a)-(3a-9b)9(abc+9a)-2(8a-3abc)
4(xy-9z)+(-xy-6z)-8(pq-pr)-(7pq-pr)
9n+(7n+4)n+(6n+8p)+(3p+n)
-4(9a+4)-8a1-(8b+1)-(2b-5)
3(ab+7a)-(4a-5b)7(abc+2a)+2(6a-7abc)
8(xy-4z)+(-xy-8z)-4(pq+pr)+(7pq+pr)
-5y+(9y+3)7y-(5y-5z)-(6z+2y)
2(8b-6)+2b3+(4m-8)+(8m+6)
6(-ab-8a)+(8a-7b)17(abc-4a)+8(4a-2abc)
4(xy+9z)+(-xy+3z)-7(pq-pr)+(6pq-pr)
-3m-(2m+1)4m+(2m+3q)-(8q-5m)
-3(5m-9)+5m7-(7n-4)+(4n-8)
9(ab-7a)-(9a+6b)8(abc+2a)-9(8a-8abc)
7(xy-3z)-(-xy+2z)-6(pq-pr)+(2pq-pr)
5y+(9y+1)4y+(7y+5s)-(7s+4y)
2(8a+4)-7a5-(9m-5)-(8m+5)
5(ab+4a)+(7a-2b)5(abc-7a)+2(9a+8abc)
4(xy-9z)-(-xy-2z)-8(pq-pr)+(2pq+pr)
-8b-(8b+9)b+(5b+8p)+(9p+2b)
3(3t-7)-9t2-(3n+8)+(6n+8)
5(ab-7a)-(2a-2b)8(abc+3a)+2(3a+5abc)
7(xy+4z)+(-xy-8z)-2(pq-pr)-(9pq-pr)
6m+(8m-3)9m-(8m+5z)+(3z+5m)
-2(6n-7)+4n6+(6a+5)+(8a-2)
3(ab-8a)+(6a-7b)14(abc+5a)-5(6a-7abc)
7(xy-6z)+(-xy-5z)-4(pq-pr)+(7pq-pr)
-6a+(5a+6)a-(4a-3c)+(7c+a)
-6(3a-8)-8a9+(7m-5)+(2m+4)
2(-ab+3a)-(6a-3b)8(abc-8a)+6(4a-2abc)
2(xy-5z)+(-xy-3z)-4(pq-pr)+(3pq-pr)
-9b-(2b+5)4b+(2b+3p)+(7p-b)
-3(8a-3)-6a1+(4m-10)+(8m-4)
2(ab-5a)-(4a+7b)2(abc+5a)-5(5a+4abc)
2(xy+4z)+(-xy-3z)-6(pq-pr)+(9pq-pr)
-6b-(5b-9)2b-(5b-2d)+(2d+b)
4(6n+4)+4n6-(6y+9)-(3y-2)
8(-ab-2a)-(3a-7b)4(abc+6a)-4(9a+7abc)
6(xy+9z)-(-xy+6z)-2(pq-pr)-(2pq+pr)
-4m-(5m-8)m-(3m-7q)+(4q+2m)
-4(6s-10)-7s8-(2x-7)+(5x+5)
8(-ab-4a)+(7a+9b)13(abc-3a)-5(7a-8abc)
8(xy-9z)-(-xy+4z)-8(pq+pr)+(9pq-pr)
-2a-(8a-6)4a-(6a+8q)+(5q+a)
8(9n-7)-5n7+(5b+4)-(7b-4)
7(-ab-6a)-(3a-6b)9(abc+5a)-4(7a-6abc)
3(xy-2z)+(-xy+6z)-2(pq-pr)-(8pq+pr)
4a-(6a-5)a-(2a+5c)+(3c+5a)
-2(3n+3)+5n3+(3a+2)-(2a+8)
6(ab+9a)+(8a+3b)19(abc+3a)+9(5a+5abc)
9(xy+5z)-(-xy-5z)-4(pq-pr)+(7pq-pr)
-6a+(4a+3)a-(8a+4c)-(4c-a)
-7(5t-8)-7t8+(4n+4)-(9n+7)
9(ab-7a)-(4a+9b)4(abc-3a)-3(4a-7abc)
5(xy-2z)+(-xy-7z)-3(pq-pr)+(7pq-pr)
-7n-(6n+6)5n+(4n-5q)-(2q-4n)
-2(9s+4)-7s6-(4n+6)+(9n-1)
5(-ab+9a)-(2a-4b)14(abc+6a)+7(9a-2abc)
9(xy+2z)+(-xy-8z)-5(pq-pr)+(2pq-pr)
6n-(4n-2)6n-(7n-4c)+(8c+n)
7(2t+3)+9t2-(2y+8)+(3y+7)
9(ab-6a)+(9a+8b)8(abc+8a)+9(2a-9abc)
6(xy-2z)-(-xy+4z)-5(pq+pr)-(3pq+pr)
3n+(3n-2)n-(2n-8d)+(6d+n)
-8(3a+7)+8a8-(6a+9)+(8a+5)
8(ab-4a)-(9a-5b)17(abc+7a)-8(9a-8abc)
3(xy-4z)+(-xy-2z)-8(pq+pr)-(3pq-pr)
-8y-(5y+3)9y-(8y-5z)-(4z+2y)
2(3t+4)+8t8-(8y+8)-(6y+7)
2(-ab+7a)-(4a+2b)2(abc+3a)-9(9a+5abc)
7(xy+8z)-(-xy-8z)-5(pq+pr)+(9pq+pr)
5n+(9n-4)n+(4n-3c)+(6c+n)
-2(9s-4)+5s4+(7a-1)+(9a+1)
4(-ab+6a)-(7a-4b)2(abc-2a)+5(7a+3abc)
8(xy+9z)-(-xy+3z)-3(pq+pr)+(9pq-pr)
3a+(8a+5)7a+(3a+8d)-(9d-5a)
5(4a+4)+7a5-(6n-2)+(8n-2)
9(-ab-2a)-(3a+2b)6(abc+2a)+4(5a-5abc)
5(xy+6z)+(-xy+4z)-3(pq+pr)-(8pq+pr)
5y+(3y-2)7y+(9y+9q)+(6q-8y)
-5(3t+1)+9t3+(6m+7)+(8m-8)
8(-ab+4a)+(9a+3b)18(abc-7a)-8(2a+4abc)
3(xy-7z)-(-xy+8z)-4(pq-pr)+(6pq+pr)
5a+(6a+6)a+(7a+3d)-(6d+a)
-3(2m-4)+6m9-(8a-2)-(6a-4)
6(-ab+5a)-(4a+9b)15(abc+2a)+4(2a-9abc)
5(xy-4z)+(-xy+3z)-4(pq+pr)+(5pq-pr)
-3m+(8m+4)4m-(2m-9z)+(2z+m)
-8(8b+8)+7b5+(3a-6)+(3a+6)
9(-ab-4a)-(4a-9b)16(abc+4a)+4(9a-6abc)
9(xy-3z)-(-xy+9z)-6(pq+pr)+(2pq-pr)
-4y-(3y+6)5y+(9y-3z)+(5z+y)
6(4n-7)+7n9+(3m-1)-(6m+5)
5(ab-9a)+(9a-5b)20(abc+4a)-8(2a-3abc)
6(xy-9z)+(-xy+5z)-3(pq-pr)-(6pq+pr)
-5b-(9b+8)b-(2b-5d)+(2d-9b)
-2(4n+2)+8n6+(7y-1)+(4y-7)
5(ab-4a)+(3a+8b)12(abc-7a)+5(8a-9abc)
2(xy+4z)+(-xy-5z)-2(pq-pr)+(9pq+pr)
-9a+(6a-3)a-(6a-3c)+(5c+a)
-4(2m-1)-4m5+(4m-2)+(9m+1)
3(-ab+4a)+(5a-8b)5(abc-3a)+4(6a-4abc)
7(xy+5z)-(-xy+3z)-3(pq+pr)-(3pq+pr)
-9x+(7x-3)x-(2x+9c)+(6c-5x)
6(7b+2)-4b1+(6y-8)-(4y+1)
9(-ab-4a)+(4a+2b)7(abc+7a)-8(6a+2abc)
9(xy-4z)+(-xy-8z)-6(pq-pr)-(4pq-pr)
-6a-(3a-2)a-(3a-9q)+(9q+5a)
7(9a+9)+8a2+(2a-1)+(8a+8)
8(-ab-9a)-(4a+9b)16(abc+5a)+5(2a-3abc)
5(xy+4z)+(-xy-9z)-3(pq-pr)-(4pq+pr)
-9n+(7n-7)n+(3n+7d)+(3d+n)
2(8n+2)-7n4-(2a-2)-(2a-5)
7(-ab+9a)+(6a+2b)5(abc+2a)-9(2a-2abc)
5(xy-3z)+(-xy-9z)-7(pq-pr)+(4pq+pr)
-5a+(8a-6)a-(2a-4c)-(2c-a)
-6(7t+1)+8t7-(7n-9)+(8n+6)
4(-ab-6a)+(3a-9b)11(abc-3a)-5(7a+8abc)
5(xy+2z)+(-xy+2z)-4(pq-pr)-(6pq+pr)
-7a+(6a-8)3a-(9a-7d)-(9d+a)
-3(7s-7)+5s7+(9n+4)+(2n-8)
2(-ab+5a)+(3a-8b)3(abc-7a)-4(5a+6abc)
2(xy+4z)-(-xy+9z)-2(pq+pr)+(5pq-pr)
3a-(5a-2)a+(9a-3d)-(3d-4a)
-2(8s+10)-9s5+(9x+3)-(8x-1)
5(-ab+7a)+(9a+4b)12(abc-8a)+6(2a-2abc)
4(xy-6z)-(-xy-6z)-9(pq-pr)-(5pq+pr)
3m+(6m-6)m-(2m-5c)-(5c-m)
-5(5a-7)+5a9+(3b-7)+(7b+5)
7(-ab-8a)-(4a-8b)14(abc+8a)-2(4a+5abc)
8(xy+9z)+(-xy+8z)-8(pq-pr)-(4pq+pr)
5y-(6y+6)3y+(2y-4q)+(5q+2y)
3(9m-10)+4m2+(2m+2)+(3m+3)
2(-ab+4a)+(7a+2b)10(abc-8a)-2(6a+9abc)
8(xy-2z)+(-xy-2z)-7(pq+pr)+(5pq-pr)
-4m+(6m+1)7m-(7m+5c)+(7c-m)
-6(6a-6)+5a3-(3a+4)-(4a-1)
9(ab-7a)-(9a+9b)20(abc+4a)-5(4a+4abc)
2(xy+4z)-(-xy-2z)-9(pq+pr)-(9pq-pr)
6a-(5a-4)a+(5a+2s)-(4s+a)
9(9n-5)-8n1-(5y+2)+(9y-6)
8(ab+5a)+(5a+3b)19(abc-3a)-8(2a+5abc)
8(xy+8z)+(-xy-6z)-3(pq+pr)+(2pq-pr)
-7a-(2a-8)5a+(3a+3c)+(2c+a)
6(2m-10)-6m5-(2a-8)+(9a+8)
6(-ab-8a)+(5a-3b)10(abc-4a)+9(9a+9abc)
3(xy+7z)-(-xy-6z)-9(pq+pr)+(8pq+pr)
-9a-(2a+8)a-(4a-6c)-(6c-3a)
-8(4b-3)+7b4+(8x+9)-(5x+2)
4(-ab-5a)+(3a+9b)14(abc+9a)-8(2a-3abc)
2(xy+9z)-(-xy+8z)-7(pq-pr)-(6pq+pr)
6a+(2a+9)9a-(3a+5s)-(9s-a)
-7(6s+5)-5s2+(6n-1)+(4n+1)
5(ab+8a)+(8a-5b)3(abc+2a)+8(5a-7abc)
8(xy+3z)+(-xy-8z)-5(pq-pr)-(2pq+pr)
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- 七年 级数 上册 合并 同类项 专项 训练 31