合并同类项综合练习题100.docx
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合并同类项综合练习题100.docx
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合并同类项综合练习题100
6b+3b+8b9m-9b+8m+8b
9b+7c+14b-7c+15b-14c2ab+20ab+10ab+ab
15x2y-4y2z+25x2y-2y2z6y+2y2+3y+10y2-5
1875
—m+—y-—y-—m19z2-7pq+4z2-3
2727
6
—pq-6y-4pq7pq+9x2y-10pq+12pq
5
6c-5c+9c9n-5c+9n-2c
6a+5c+19a-12c+14a-12c2mn-15mn+12mn-mn
26a2b+6y2z+5a2b+6y2z9x-6x2-8x-20x2+9
1175
—z+—y-—y+—z10x2-8xy-2x2-5
2626
8
—pq-2t+7pq2mn-15a2b-18mn-2mn
7
3d-5d-4d3n+7a+7n-5a
7m-7c+6m-15c-18m+18c2mn+15mn+16mn-mn
3x2y-5y2z+5x2y-6y2z9z-2z2-5z-9z2+8
4875
—z-—t-—t+—z9n2-2pq-5n2-1
3737
6
—mn-4n-5mn3ab+10x2y+10ab+23ab
7
5e-8e-3e5n+9d-6n-7d
5a+7d+2a-5d-10a+14d9ab+17ab-20ab+ab
20x2y-7b2c+13x2y-7b2c2m-5m2-9m+5m2-1
3875
—m+—t-—t-—m6t2-9mn-3t2-7
4747
1
—xy+9x-5xy2mn+19a2b-8mn-6mn
7
8b-4b+2b10m+5a-7m+2a
4a-7n+12a+14n+16a+19n5ab+18ab+19ab-ab
4x2y-9y2z-7x2y+3y2z2y-7y2-4y+9y2+5
1175
—m+—t-—t+—m20t2-7pq-3t2+5
5858
1
—xy-7x-7xy5mn-11a2b-15mn+29mn
4
5c-4c+6c10z+8f-7z-2f
3a+2d+11a-17d+14a+13d5ab-13ab+20ab-ab
8a2b+5y2z-28a2b+8y2z6z-5z2-2z+15z2-1
1675
—z-—y-—y+—z9t2-8xy-4t2-7
2727
1
—mn+2y+6mn9mn-12a2b+12mn-30mn
2
6e+8e-3e10y+8b+5y+5b
8m-3d-2m+7d+12m+15d7xy-16xy+10xy-xy
29x2y+6y2z+9x2y-9y2z3x+3x2+8x-2x2-5
4175
—x+—t+—t+—x12n2-4mn+3n2+2
5757
1
—xy+4n+8xy3ab+7x2y+20ab-20ab
6
8a+6a-3a5y-6c+4y+10c
9a-5d+7a-3d+11a-18d3xy-12xy-18xy+xy
18a2b+7b2c+27a2b+3b2c8n+9n2-8n-12n2+2
1775
—m-—t+—t-—m18m2+4pq+4m2+6
2828
1
—ab+2t+2ab8ab-2x2y+2ab+22ab
5
9e+6e+9e9n+4c+6n-7c
5a+7n+5a+19n+13a-16n6mn-7mn+20mn+mn
4x2y+5b2c-2x2y+2b2c7y-6y2+5y-9y2-2
1775
—m+—n+—n-—m3n2+8mn-5n2-9
5656
6
—xy-3t-7xy5mn+4x2y-18mn+16mn
5
7f+8f-9f10t-6a+6t-7a
4a-3n-9a+15n+15a-11n6xy-12xy-19xy-xy
10x2y+7b2c+11x2y+8b2c4m+6m2+6m+6m2-7
1175
—m-—t+—t+—m18t2-3pq+8t2-4
3737
2
—pq-5y+9pq7mn+16a2b-19mn-17mn
3
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