七年级数学上册合并同类项练习题精编200

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七年级数学上册合并同类项练习题精编-5(5b+1)+2b4-(7y+2)-(7y-4)3(ab-7a)-(9a+6b)19(abc+8a)+6(2a-5abc)6(xy+7z)-(-xy-4z)-2(pq-pr)+(9pq+pr)-8x+(8x-9)x+(8x+5d)+(2d-x)3(6m-9)-4m1+(9n+6)-(2n+4)七年级数学上册合并同类项练习题精编6(ab-2a)-(8a-3b)5(abc-8a)+8(4a-6abc)5(xy+2z)-(-xy+7z)-7(pq+pr)+(9pq-pr)-2x-(8x-8)8x-(7x+6s)-(5s+8x)-3(4b+5)+8b3+(4a+10)+(2a+2)2(-ab-7a)+(5a+7b)20(abc+6a)-4(5a-7abc)七年级数学上册合并同类项练习题精编4(xy+7z)+(-xy+8z)-9(pq-pr)-(9pq+pr)4n-(9n+3)7n-(5n-7c)-(8c-n)-5(5m-10)-4m2-(6m+9)+(3m+3)3(ab-2a)+(8a+9b)5(abc-8a)-3(3a+2abc)6(xy+9z)+(-xy-3z)-4(pq-pr)+(5pq+pr)七年级数学上册合并同类项练习题精编-7m-(7m+8)7m-(6m-5p)+(4p-8m)-3(3s+1)-8s8+(4m-9)-(7m-1)8(ab+2a)+(6a-4b)2(abc+9a)-3(3a-4abc)5(xy+5z)-(-xy-5z)-3(pq+pr)+(2pq+pr)-5b+(6b+7)b+(7b-6s)+(3s-b)七年级数学上册合并同类项练习题精编-6(6s-2)+7s10+(8b+2)+(6b+9)3(ab+8a)+(6a-2b)18(abc+7a)-7(6a-9abc)4(xy+7z)-(-xy+5z)-4(pq+pr)+(5pq-pr)-8b+(9b+5)b+(6b-8q)-(8q+b)-4(2a-6)+9a3+(9b-1)-(9b-4)七年级数学上册合并同类项练习题精编8(ab+6a)+(3a-8b)20(abc-2a)-6(9a-2abc)4(xy-8z)-(-xy-5z)-2(pq+pr)+(8pq-pr)6x+(4x+6)x-(4x-4q)+(2q-x)7(8a-10)-5a2-(4m+3)+(2m-9)3(ab-4a)-(8a+5b)6(abc+6a)+9(3a+2abc)七年级数学上册合并同类项练习题精编3(xy+5z)-(-xy-6z)-2(pq-pr)-(7pq+pr)2y-(9y+8)9y-(2y-6s)+(5s+y)3(3b-7)-4b9+(5m+8)-(9m-6)7(ab-3a)-(5a+5b)18(abc-7a)-2(5a+8abc)3(xy+7z)-(-xy+2z)-2(pq+pr)+(4pq-pr)七年级数学上册合并同类项练习题精编6m-(2m+5)m-(9m+2z)+(9z-2m)5(2a+7)-9a1-(6m-6)+(3m+6)8(-ab-3a)-(7a-4b)18(abc-6a)+5(3a-9abc)4(xy+6z)-(-xy+2z)-4(pq-pr)-(9pq+pr)8y+(3y+6)y-(8y+9q)+(4q-y)七年级数学上册合并同类项练习题精编8(5t+8)-3t7-(9a+2)-(5a+4)7(-ab+3a)+(2a-8b)12(abc-2a)+7(2a-7abc)4(xy+9z)-(-xy+7z)-3(pq+pr)-(6pq-pr)-5m-(4m+4)3m-(3m+6z)-(3z-8m)3(5m-2)-8m4+(3n-3)+(8n+9)七年级数学上册合并同类项练习题精编8(ab-4a)-(7a-4b)4(abc-8a)-2(2a+5abc)7(xy+3z)-(-xy-6z)-2(pq-pr)+(6pq+pr)-7x+(6x+8)x-(4x+3p)-(5p+x)-6(8t-1)-6t9+(2m+6)+(7m-9)7(-ab-7a)-(8a+5b)12(abc+9a)-5(2a+8abc)七年级数学上册合并同类项练习题精编9(xy-9z)+(-xy-6z)-5(pq-pr)-(7pq-pr)-2n+(3n+7)n-(4n+2c)-(4c-6n)2(4b+7)+7b8-(5n+6)+(2n+2)7(ab-8a)+(6a-7b)2(abc+2a)+8(7a-8abc)3(xy+8z)+(-xy+5z)-3(pq-pr)+(5pq-pr)七年级数学上册合并同类项练习题精编-6x-(9x-9)2x-(4x+6q)-(3q-7x)-7(4n-3)-4n1-(9b-4)-(5b-3)2(ab+4a)-(9a-2b)14(abc+9a)-7(3a+6abc)2(xy-2z)+(-xy-7z)-4(pq+pr)-(6pq+pr)-2x-(8x+8)x-(3x+7q)+(6q-x)七年级数学上册合并同类项练习题精编6(5n+8)-6n2-(6x+10)+(3x-1)9(ab-5a)+(5a-9b)10(abc-9a)+9(7a-2abc)4(xy+3z)+(-xy-9z)-9(pq+pr)+(9pq-pr)3y-(8y-8)y+(4y+5z)-(8z+7y)4(2n-8)+3n4+(9y+10)-(9y+9)七年级数学上册合并同类项练习题精编6(-ab+6a)-(7a+9b)8(abc+5a)+8(5a-2abc)9(xy+8z)+(-xy+9z)-3(pq+pr)-(3pq-pr)2y+(7y+9)y+(2y-7z)-(2z+6y)8(2t+4)+2t10+(9m+9)+(4m+10)3(-ab+7a)+(2a-6b)12(abc-8a)+9(4a+7abc)七年级数学上册合并同类项练习题精编4(xy+6z)+(-xy+7z)-9(pq+pr)+(7pq-pr)6m+(8m-5)3m+(7m+5z)+(8z+6m)2(3s-8)+2s3+(6y+5)-(6y+5)2(ab+2a)+(8a-6b)9(abc+9a)+7(7a-5abc)7(xy+7z)-(-xy-5z)-8(pq-pr)+(2pq-pr)七年级数学上册合并同类项练习题精编

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