七年级数学上册合并同类项练习题精编88.docx
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七年级数学上册合并同类项练习题精编88
-7(5b+8)-4b8+(3b+8)+(6b-10)
5(ab+7a)+(4a+7b)9(abc-3a)-3(6a+4abc)
9(xy-6z)-(-xy+2z)-4(pq+pr)+(2pq+pr)
2x-(9x-4)4x-(7x-2c)-(3c+8x)
-8(5t-3)+8t7+(9n-9)-(2n+9)
7(ab-8a)-(6a-4b)19(abc-6a)-5(6a+6abc)
7(xy+6z)-(-xy+4z)-9(pq-pr)+(3pq-pr)
2y-(4y-3)y-(3y-3s)-(5s+y)
-4(5b+2)+7b8+(2b+8)+(5b-2)
9(-ab+5a)-(8a+8b)8(abc+4a)+2(3a+7abc)
6(xy-6z)-(-xy-7z)-3(pq+pr)+(7pq-pr)
8b-(8b+7)6b-(3b+4s)+(5s+b)
-5(8t+9)-7t5+(9m+4)+(9m-1)
9(-ab+2a)+(7a-5b)17(abc+6a)+7(2a+5abc)
9(xy+5z)-(-xy-3z)-5(pq-pr)+(9pq+pr)
7n-(7n+9)6n-(4n-9s)-(8s+2n)
5(3n+6)-5n8-(7b-10)+(3b-7)
5(ab-7a)-(4a+9b)19(abc-4a)-7(2a-8abc)
3(xy-8z)+(-xy-8z)-3(pq-pr)+(5pq+pr)
-8b+(2b-6)b+(9b+2s)+(4s-6b)
5(8t-9)+5t10-(7m+2)+(2m+8)
7(-ab-2a)-(9a+5b)10(abc-8a)+6(3a+3abc)
7(xy+2z)-(-xy-4z)-6(pq+pr)-(8pq-pr)
4n-(6n+3)9n+(8n+6z)+(9z+5n)
-7(8n-1)-8n3+(8m+9)-(4m-7)
3(ab+7a)-(2a+7b)3(abc-6a)+4(5a-9abc)
6(xy+5z)-(-xy+2z)-2(pq+pr)-(3pq+pr)
9n+(2n-6)n+(3n-4z)+(7z+9n)
-8(9n-2)+2n1+(6b-6)+(5b-5)
6(-ab+4a)-(4a+3b)4(abc-7a)+9(6a-3abc)
4(xy-3z)+(-xy+8z)-2(pq-pr)-(9pq+pr)
-3x+(8x-8)6x+(9x+7z)-(8z-x)
-9(4s+2)+4s7-(4m-7)-(4m-5)
8(-ab-9a)+(4a+3b)2(abc-8a)-6(6a+9abc)
7(xy-8z)+(-xy-6z)-6(pq+pr)+(9pq-pr)
-4a-(5a-5)a-(5a-4d)-(4d-3a)
-8(7a-7)-5a4-(6n-9)+(8n-6)
3(-ab-9a)+(5a-9b)6(abc-8a)-6(6a+4abc)
3(xy+2z)+(-xy-3z)-4(pq-pr)+(8pq+pr)
8m-(8m-6)2m+(5m-3s)-(6s-m)
9(3t+5)+9t7+(8b-6)-(7b+6)
6(ab+3a)+(6a+2b)11(abc+3a)-2(7a+6abc)
8(xy+5z)-(-xy+3z)-7(pq-pr)-(7pq-pr)
2a-(3a-7)9a-(6a-3p)+(2p-a)
-8(9n-7)+3n6+(5b+3)+(9b-5)
3(ab+3a)-(5a-4b)10(abc+8a)-3(7a+8abc)
3(xy-3z)+(-xy+2z)-9(pq+pr)+(2pq-pr)
3a+(4a-8)a+(2a+9z)-(4z-a)
-2(7a-9)+5a6-(3a-1)+(9a+8)
7(ab-8a)-(4a-7b)13(abc-3a)-9(7a-6abc)
4(xy+7z)+(-xy+4z)-8(pq-pr)-(3pq+pr)
-4b+(5b-6)5b+(7b+3c)+(2c-7b)
-3(6t+2)-3t6+(5x+10)-(8x+8)
9(-ab-9a)-(3a-8b)12(abc-7a)-9(2a+2abc)
3(xy+2z)-(-xy+4z)-2(pq-pr)+(4pq-pr)
2a-(6a-7)a-(8a-8q)+(9q-8a)
-4(4a-3)+4a2-(9n-3)-(9n-2)
9(-ab+9a)+(9a-2b)11(abc+3a)-8(2a+7abc)
8(xy+9z)-(-xy-5z)-5(pq-pr)+(9pq+pr)
-5n+(4n+6)9n+(6n+2s)-(5s+3n)
9(6t+2)-7t9+(5m-8)-(8m+8)
3(-ab+2a)-(3a+2b)3(abc-2a)+7(7a+2abc)
3(xy-5z)-(-xy+7z)-2(pq+pr)-(8pq+pr)
-7b-(2b+2)3b+(4b-3p)+(8p+b)
-3(9t+4)-7t7-(2m-4)+(2m+4)
9(ab-9a)+(3a-5b)4(abc-2a)+7(8a+5abc)
9(xy-4z)+(-xy+9z)-6(pq+pr)+(7pq+pr)
-5m-(5m+4)m+(7m+3c)-(2c+4m)
-3(4m+8)-9m5+(6b-7)+(9b-9)
9(ab+5a)-(3a-6b)13(abc-3a)+6(4a+5abc)
4(xy+3z)+(-xy-8z)-8(pq-pr)-(3pq+pr)
-8b+(4b-5)b-(4b-4c)-(7c+3b)
-4(2m-3)+7m9+(9n+9)-(2n+5)
2(-ab+4a)-(8a-6b)12(abc-3a)-3(7a+9abc)
4(xy+4z)+(-xy+8z)-7(pq+pr)-(3pq+pr)