合并同类项综合练习题91.docx

1、合并同类项综合练习题919c7c5c 10z7d9z7d 6m6n17m5n10m17n 7ab16ab14abab 17a2b4y2z7a2b2y2z 9x8x24x11x26 4 9 7 5 xttx 20t26pq9t275 8 5 8 1 pq5m4pq 8mn4a2b8mn9mn5 9a8a2a 5t2e7t6e 6m7d5m4d18m13d 3ab4ab15abab 11a2b8b2c22a2b4b2c 5x9x26x4x25 1 6 7 5 zyyz 18t28pq5t284 7 4 7 8 xy3m3xy 6xy17x2y17xy10xy7 5c7c5c 5y4d2y9d 5b

2、5c5b11c18b18c 2mn18mn16mnmn 5a2b5b2c25a2b9b2c 4n6n25n16n21 2 6 7 5 xttx 16t26mn2t213 7 3 7 1 pq4n2pq 4xy15x2y18xy16xy2 6b7b6b 5x5e8x3e 6b2d3b11d20b11d 5xy8xy15xyxy 24x2y2b2c20x2y3b2c 9z6z29z10z28 1 1 7 5 xttx 6y29mn8y283 7 3 7 3 xy2y9xy 3ab10a2b10ab25ab4 2d4d2d 8t2b9t7b 7m5c8m15c17m20c 7ab4ab20abab

3、20x2y4y2z18x2y9y2z 5t9t27t2t24 4 1 7 5 mnnm 8m22mn2m295 6 5 6 3 ab9t8ab 8ab11a2b11ab10ab4 4f6f4f 6m5a8m2a 9a6n11a19n17a19n 6xy16xy18xyxy 19a2b9b2c22a2b4b2c 2x6x29x9x26 1 1 7 5 xttx 2z27ab8z272 6 2 6 3 xy5x5xy 3ab16a2b3ab30ab2 9c4c8c 2n8c5n2c 7b7c10b11c16b10c 9xy9xy18xyxy 21x2y9b2c9x2y6b2c 9m9m27m2m2

4、4 6 1 7 5 mttm 4z23ab7z235 6 5 6 5 ab2n6ab 2pq19a2b17pq23pq4 7b2b8b 2y4f3y4f 8b5n4b15n18b11n 9pq19pq19pqpq 27a2b9b2c24a2b9b2c 9y3y28y8y26 1 7 7 5 xyyx 2m28pq8m255 8 5 8 1 mn5n5mn 3ab18a2b12ab19ab7 2f6f9f 6n6f2n4f 8m3c2m10c19m19c 2ab6ab19abab 11x2y7y2z30x2y4y2z 3x7x26x3x27 4 7 7 5 myym 17n24xy2n293 8 3 8 1 mn2z5mn 5pq3a2b7pq24pq6 9d7d7d 5n5d2n3d 8m5n11m18n17m10n 9xy9xy10xyxy 14a2b8y2z8a2b3y2z 8m3m28m3m28 5 7 7 5 mnnm 18y27mn3y294 6 4 6 1 ab2y8ab 6mn15x2y20mn25mn2