合并同类项综合练习题25.docx

1、合并同类项综合练习题257f9f8f 7z7b2z7b 5b4c8b17c20b11c 3mn6mn12mnmn 9x2y9b2c19x2y3b2c 5x6x23x18x25 4 7 7 5 zttz 20x26ab2x235 8 5 8 7 pq2t7pq 9mn16x2y20mn17mn8 9f9f5f 9t3c6t2c 4b5n4b10n16b15n 6pq11pq14pqpq 15x2y6y2z30x2y8y2z 7n5n28n8n27 1 7 7 5 mnnm 18t24mn4t282 6 2 6 1 mn2y8mn 4ab14a2b17ab5ab2 4c7c3c 5m7c2m4c

2、9a7d11a17d19a13d 3xy8xy10xyxy 24x2y3b2c2x2y2b2c 2n8n24n14n29 1 8 7 5 zttz 20n23xy5n295 7 5 7 1 mn7m9mn 2xy6x2y17xy19xy7 3b8b9b 4n8f5n4f 4a5n10a5n10a13n 5ab11ab10abab 28x2y9y2z14x2y8y2z 7t4t28t2t21 1 1 7 5 zttz 2t25mn6t252 7 2 7 1 pq5x9pq 2mn9a2b20mn4mn5 8f7f4f 4y7a3y5a 3a7d3a7d16a17d 9xy20xy18xyxy 2

3、5x2y9b2c13x2y4b2c 6n7n24n5n29 3 9 7 5 zttz 6z29pq9z272 8 2 8 7 ab2x6ab 8xy8x2y2xy9xy8 6c7c4c 10x2c5x3c 5m3n12m9n16m10n 5ab7ab12abab 13a2b7b2c29a2b2b2c 8z5z27z10z21 1 8 7 5 zyyz 13z29pq3z212 7 2 7 7 mn3m8mn 6pq17x2y3pq7pq8 7a7a6a 10t8d7t7d 9a5n7a11n15a10n 9ab3ab10abab 26a2b3y2z4a2b2y2z 2x6x27x4x22 4

4、5 7 5 mnnm 15y26ab8y255 6 5 6 1 pq2m2pq 8pq9x2y9pq4pq6 3f4f7f 4x2a8x5a 6m4d5m5d14m20d 3mn3mn20mnmn 17a2b2b2c17a2b7b2c 2t5t24t15t28 2 7 7 5 myym 4y22pq6y223 8 3 8 2 pq9m2pq 7xy4x2y7xy15xy3 3a8a4a 4t7a5t6a 8b7d17b18d13b12d 3ab15ab20abab 5x2y4y2z10x2y7y2z 9x7x28x5x24 1 7 7 5 xnnx 9t24xy4t224 8 4 8 1 mn4y5mn 5xy5a2b14xy21xy8 5b7b9b 8z2f6z5f 4a9d9a16d11a15d 4mn15mn12mnmn 3a2b5b2c16a2b6b2c 2m5m25m8m26 1 8 7 5 xttx 6x28ab6x295 7 5 7 1 mn2y4mn 2pq12a2b18pq19pq3