合并同类项综合练习题91Word文件下载.docx
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5858
1
—pq+5m+4pq8mn+4a2b+8mn+9mn
5
9a+8a-2a5t+2e+7t+6e
6m+7d-5m+4d-18m+13d3ab+4ab-15ab-ab
11a2b+8b2c-22a2b-4b2c5x-9x2+6x-4x2-5
1675
—z+—y-—y+—z18t2+8pq-5t2-8
4747
8
—xy-3m-3xy6xy-17x2y-17xy-10xy
7
5c-7c+5c5y+4d-2y+9d
5b-5c+5b-11c+18b-18c2mn-18mn-16mn-mn
5a2b-5b2c-25a2b-9b2c4n-6n2+5n+16n2-1
2675
—x-—t+—t+—x16t2-6mn+2t2+1
3737
—pq-4n-2pq4xy+15x2y+18xy+16xy
2
6b-7b-6b5x+5e+8x+3e
6b+2d+3b-11d+20b+11d5xy-8xy+15xy-xy
24x2y-2b2c+20x2y+3b2c9z+6z2+9z+10z2-8
1175
—x+—t-—t-—x6y2-9mn-8y2-8
3
—xy-2y+9xy3ab+10a2b+10ab-25ab
4
2d-4d+2d8t+2b+9t+7b
7m-5c+8m+15c-17m-20c7ab+4ab-20ab+ab
20x2y-4y2z-18x2y+9y2z5t+9t2-7t-2t2-4
4175
—m+—n+—n+—m8m2+2mn+2m2+9
5656
—ab-9t+8ab8ab+11a2b+11ab-10ab
4f+6f+4f6m+5a-8m-2a
9a-6n-11a+19n-17a+19n6xy+16xy-18xy-xy
19a2b+9b2c-22a2b+4b2c2x-6x2+9x-9x2-6
—x+—t+—t-—x2z2+7ab+8z2+7
2626
—xy+5x-5xy3ab+16a2b+3ab-30ab
9c-4c-8c2n+8c-5n-2c
7b-7c+10b-11c-16b-10c9xy+9xy+18xy+xy
21x2y+9b2c+9x2y+6b2c9m+9m2-7m-2m2-4
6175
—m+—t+—t-—m4z2+3ab-7z2-3
—ab-2n+6ab2pq+19a2b-17pq-23pq
7b-2b-8b2y+4f-3y+4f
8b+5n-4b+15n-18b-11n9pq+19pq+19pq-pq
27a2b+9b2c+24a2b-9b2c9y-3y2+8y-8y2-6
1775
—x-—y+—y-—x2m2+8pq-8m2-5
—mn+5n-5mn3ab-18a2b+12ab+19ab
2f-6f-9f6n+6f-2n-4f
8m-3c+2m-10c+19m+19c2ab+6ab+19ab+ab
11x2y+7y2z+30x2y+4y2z3x+7x2+6x-3x2-7
4775
—m-—y+—y-—m17n2-4xy-2n2-9
3838
—mn-2z-5mn5pq+3a2b+7pq+24pq
6
9d-7d-7d5n+5d+2n+3d
8m+5n-11m-18n-17m-10n9xy+9xy+10xy-xy
14a2b-8y2z-8a2b+3y2z8m+3m2+8m+3m2-8
5775
—m+—n+—n+—m18y2-7mn-3y2-9
4646
—ab+2y+8ab6mn+15x2y+20mn-25mn