七年级数学上册合并同类项练习题精编362Word格式.docx
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-5(4s-4)+3s4-(8b-9)-(2b+4)
3(ab-3a)-(8a-2b)7(abc-6a)-2(9a-9abc)
2(xy-7z)-(-xy+2z)-5(pq+pr)+(9pq+pr)
9n-(6n-8)5n+(2n+4s)+(6s+n)
3(7a+3)-8a4+(7x+5)+(4x+4)
8(-ab-3a)-(7a-2b)2(abc-7a)+9(7a-5abc)
3(xy-7z)+(-xy+6z)-8(pq+pr)-(6pq-pr)
-9b+(3b-2)9b+(8b+8s)-(6s+b)
9(5n-8)+7n3+(4b+6)+(4b+5)
6(ab+7a)-(7a+9b)3(abc-2a)+3(3a+3abc)
2(xy+5z)+(-xy+4z)-2(pq+pr)+(8pq-pr)
2b-(6b-7)7b-(2b-2s)+(3s-b)
4(3b+10)+7b8+(4n-9)+(7n+6)
2(ab-4a)+(8a+8b)9(abc+3a)-2(6a-8abc)
5(xy+6z)+(-xy-9z)-4(pq-pr)+(7pq-pr)
8x+(6x+8)x+(8x-7s)+(4s-3x)
9(6m-3)-6m8+(4y-1)-(7y-9)
8(ab-4a)+(9a-5b)20(abc-7a)+8(2a+8abc)
9(xy-5z)-(-xy-3z)-2(pq-pr)+(3pq+pr)
8x-(6x-4)6x-(6x+3z)-(5z+2x)
-5(4m+1)-7m2-(8m+3)-(7m+9)
2(-ab-4a)-(5a+9b)10(abc+9a)-8(8a-6abc)
9(xy+4z)-(-xy+6z)-8(pq+pr)+(9pq-pr)
-8m-(4m+5)m-(7m-8q)+(9q+m)
-2(6m+9)+6m8+(5y+7)+(2y-3)
7(-ab+5a)+(5a+6b)17(abc+6a)+6(5a-4abc)
9(xy+5z)-(-xy-8z)-3(pq-pr)+(9pq-pr)
-4n-(6n-4)9n-(5n+8z)-(5z-n)
5(3b-8)+3b1+(3y-6)+(4y+7)
7(-ab-9a)-(3a+3b)6(abc-8a)-8(8a-3abc)
7(xy+9z)+(-xy-7z)-9(pq+pr)-(7pq+pr)
-8y+(8y-3)2y+(3y+6p)+(8p+y)
5(4s+8)-6s4-(3b-10)-(6b+9)
8(-ab-9a)+(3a+8b)9(abc+9a)-9(4a+6abc)
3(xy-3z)+(-xy-2z)-7(pq-pr)+(5pq-pr)
8m-(5m-5)9m-(9m-9s)+(2s+4m)
5(3m+3)+9m9+(2y-4)-(6y-8)
3(ab-7a)-(6a-9b)17(abc-9a)-3(4a-8abc)
3(xy-7z)-(-xy-4z)-9(pq+pr)+(2pq-pr)
-5b-(9b+9)b+(8b+4p)+(7p-b)
-8(8a-8)+8a8-(9m+8)+(2m+5)
4(-ab+3a)-(9a-3b)5(abc-2a)-9(6a+2abc)
6(xy-5z)-(-xy-5z)-3(pq-pr)+(7pq+pr)
6y+(4y+8)y+(7y-4c)-(6c-y)
-3(7a-3)-5a2+(2b+7)+(2b+7)
7(ab-4a)-(2a-7b)11(abc+9a)+5(5a+6abc)
7(xy+2z)+(-xy+2z)-5(pq+pr)-(8pq+pr)
8y+(3y+5)y+(8y+9z)+(9z-y)
-4(5m+5)+3m6-(2a-8)-(6a-7)
3(-ab+4a)-(3a-6b)4(abc+2a)+9(7a-7abc)
5(xy-9z)+(-xy-9z)-6(pq-pr)-(3pq+pr)
-9x+(4x-8)x-(4x+4d)+(9d+x)
8(7m+3)+9m1+(8a+4)+(5a+6)
9(-ab-5a)+(7a+3b)14(abc+7a)-7(2a-2abc)
4(xy+3z)+(-xy-2z)-2(pq+pr)-(6pq-pr)
-7y-(5y-9)y-(8y+2q)-(6q-y)
-9(7n+10)-7n6+(5b+3)+(7b-5)
8(ab+4a)+(2a+6b)7(abc+3a)-6(5a-5abc)
6(xy-7z)-(-xy+7z)-2(pq+pr)+(6pq-pr)
6m-(5m+7)2m-(5m-7q)+(2q+m)
5(4n-2)+8n4+(9n-5)-(2n+4)
6(-ab-9a)+(9a+5b)20(abc-3a)+5(7a-7abc)
9(xy-3z)+(-xy-4z)-6(pq-pr)+(3pq-pr)
-3b-(8b+7)b-(6b+8q)+(3q-9b)
2(3s+5)+2s4+(2n-9)+(6n-8)
6(-ab+7a)-(5a-9b)7(abc-6a)+6(7a+8abc)
8(xy-9z)-(-xy+8z)-5(pq-pr)-(8pq+pr)
5y+(6y-2)3y+(7y+5z)-(6z+y)
2(5m-4)+6m7-(7y-9)+(8y-9)