七年级数学上册合并同类项练习题精编73.docx
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七年级数学上册合并同类项练习题精编73
-6y+(8y-5)y+(9y-9c)+(2c+8y)
-3(2m+9)+4m9-(6y-9)+(6y-1)
3(ab-6a)+(2a-2b)7(abc-5a)+7(8a+2abc)
2(xy-5z)+(-xy+2z)-3(pq+pr)+(6pq+pr)
6n+(2n+6)n-(7n-8d)-(2d-5n)
-2(5s-3)-3s2+(5m+9)+(4m-10)
2(ab-5a)+(2a+6b)12(abc+6a)-8(8a+7abc)
7(xy+2z)-(-xy+7z)-5(pq+pr)+(6pq-pr)
7a-(3a-6)a-(9a+8z)+(7z+6a)
-4(9m+6)-9m4-(8x+3)+(7x+6)
3(-ab-3a)-(7a+6b)10(abc-6a)+3(7a+2abc)
8(xy-5z)+(-xy+6z)-3(pq+pr)-(5pq+pr)
-7x+(4x+3)x-(8x+5q)-(4q+x)
-8(9s+9)+2s1+(9m-7)+(2m-9)
4(-ab-2a)+(8a-6b)16(abc+4a)+3(4a-5abc)
5(xy-4z)+(-xy-8z)-3(pq-pr)+(6pq+pr)
9m+(8m+7)m-(4m+8z)+(9z+2m)
-5(7b+5)+4b2+(7y-7)+(4y-7)
9(-ab+3a)+(9a-8b)11(abc-6a)-9(9a+6abc)
8(xy+6z)+(-xy+6z)-6(pq-pr)+(6pq-pr)
-9m+(4m-3)6m+(5m-7p)-(9p+m)
-3(4n+1)+8n6-(3x-10)-(8x-4)
4(-ab+8a)-(6a-8b)15(abc-4a)+4(6a-8abc)
6(xy-3z)+(-xy+7z)-5(pq-pr)-(7pq+pr)
-7x-(3x-1)x+(5x+5s)+(3s-4x)
-3(7a+6)+9a9+(8y+6)+(9y-9)
3(-ab+4a)+(4a-2b)10(abc+4a)+2(3a+3abc)
3(xy+9z)-(-xy-6z)-5(pq-pr)+(8pq+pr)
6n-(6n+5)6n+(9n+5q)-(3q+9n)
-7(7b+4)+3b7+(3n+10)-(6n+2)
2(ab-6a)-(9a-7b)10(abc-7a)-6(3a+7abc)
4(xy+5z)+(-xy-6z)-2(pq+pr)+(8pq-pr)
3b+(5b+1)2b+(5b+5s)-(9s-b)
-5(6n-10)-7n5-(3a+8)+(4a-5)
9(-ab+9a)+(8a+3b)4(abc-8a)-7(3a-8abc)
3(xy+5z)-(-xy+9z)-8(pq+pr)-(2pq-pr)
9m+(5m-1)m-(9m+3c)-(2c+m)
-5(2n-8)-9n3+(8x+9)+(6x+8)
4(-ab-9a)-(2a-8b)19(abc+8a)-2(5a+8abc)
5(xy+8z)+(-xy+4z)-6(pq-pr)-(4pq+pr)
-8b+(4b+2)b-(6b+8p)+(5p+b)
-4(7n+8)-3n2+(2y-9)+(9y-1)
3(-ab-7a)-(3a+4b)4(abc+3a)+8(2a-2abc)
5(xy+4z)-(-xy-2z)-2(pq+pr)+(7pq+pr)
-4x+(4x-1)x+(2x+4p)-(2p-x)
-6(4t+2)-2t6-(3b-6)-(9b+9)
6(-ab-3a)+(7a+6b)6(abc-5a)+6(9a+5abc)
5(xy+6z)+(-xy+5z)-3(pq+pr)+(9pq-pr)
-4b-(4b-8)b+(3b-8p)+(5p-b)
4(7m-2)+2m2-(6a+9)+(8a+10)
8(-ab+5a)+(7a+8b)12(abc-5a)+7(5a-9abc)
4(xy-6z)-(-xy+5z)-5(pq-pr)-(8pq+pr)
-4b+(8b+7)3b+(7b-9d)+(5d+b)
-7(9t-5)-4t6-(8n+7)-(8n+1)
2(ab+7a)-(3a+7b)2(abc-8a)+8(4a+5abc)
9(xy+4z)-(-xy+2z)-5(pq-pr)+(5pq+pr)
-8n+(9n-1)8n+(2n+9p)+(7p-n)
-3(8a-6)+8a7+(8m+9)-(7m+7)
4(-ab-5a)-(9a+2b)9(abc+3a)+3(3a-6abc)
5(xy-9z)-(-xy-2z)-8(pq-pr)-(6pq-pr)
5y-(7y-1)9y+(9y-5p)-(6p+y)
-8(8t+6)-2t10-(6b-7)+(9b+7)
6(-ab-6a)+(6a+7b)20(abc+8a)+7(9a-7abc)
4(xy+7z)+(-xy+7z)-9(pq-pr)+(7pq+pr)
-8y+(3y-8)8y-(7y-5z)+(2z-y)
3(5b+5)+6b10-(3x+3)-(8x+10)
4(-ab-8a)-(4a+9b)15(abc+9a)+7(9a+4abc)
3(xy-9z)+(-xy-8z)-4(pq+pr)+(7pq+pr)
-9y-(5y+8)y+(7y-9c)-(8c-7y)
-9(8s+10)-4s5-(8m+5)-(7m-8)
9(-ab-8a)+(4a-9b)14(abc+9a)+3(2a-8abc)
7(xy-9z)+(-xy+7z)-6(pq-pr)+(3pq-pr)
-8b-(8b-6)3b+(9b+9c)-(9c+b)
7(7b+7)+7b9+(8n+9)-(2n-6)
8(ab+5a)-(3a+9b)4(abc-8a)+2(7a-5abc)