合并同类项综合练习题69.docx

1、合并同类项综合练习题694b4b5b 3y4e3y10e 8a6d14a16d15a20d 3pq7pq11pqpq 9x2y5b2c14x2y7b2c 9n9n25n3n22 1 8 7 5 zttz 18t22xy8t242 7 2 7 1 ab9z2ab 7xy15x2y12xy21xy7 8c8c2c 9x7f4x9f 3a8d6a5d13a16d 3ab10ab17abab 17a2b5b2c6a2b6b2c 4t6t24t12t22 1 6 7 5 xnnx 6m29ab7m234 7 4 7 1 mn9x3mn 3mn18x2y6mn12mn2 7a2a6a 7t4b4t2b 3

2、b6n8b2n19b20n 7xy20xy12xyxy 15x2y5b2c4x2y2b2c 6y2y29y3y27 1 7 7 5 xnnx 16x28mn9x222 8 2 8 1 ab5m2ab 5xy9x2y6xy24xy7 7f8f2f 9t8b6t9b 2a8n7a11n15a14n 7xy18xy19xyxy 10a2b6y2z2a2b4y2z 7z8z29z10z24 1 7 7 5 xttx 17z29mn9z262 6 2 6 6 pq3x3pq 8pq11x2y15pq6pq5 2e8e8e 5t2a2t9a 9a2d4a5d20a19d 2xy15xy12xyxy 15a

3、2b9b2c25a2b9b2c 4n2n25n17n23 1 5 7 5 mnnm 8x29ab3x232 6 2 6 1 ab3t7ab 7xy8x2y5xy17xy5 2c7c3c 9x2c6x10c 9m7d7m12d18m20d 3ab5ab19abab 23x2y6b2c19x2y8b2c 5x9x22x10x25 3 6 7 5 zttz 16m23mn6m252 7 2 7 1 xy4m9xy 6pq9x2y12pq23pq6 6c8c3c 7n2a2n3a 4a9d18a4d19a20d 6mn12mn14mnmn 8a2b8b2c19a2b3b2c 7t7t28t2t22 4

4、 8 7 5 myym 2y23ab8y263 7 3 7 1 xy5x8xy 4mn18x2y5mn22mn2 8e4e9e 2x9b6x7b 8b5d12b12d11b18d 9mn20mn12mnmn 26x2y9y2z27x2y2y2z 7n2n29n20n23 1 9 7 5 mttm 16n26mn6n242 8 2 8 3 ab5n8ab 9mn10x2y15mn6mn4 9f6f8f 2y7f7y2f 3a9c20a9c19a19c 4ab9ab12abab 8x2y2b2c2x2y4b2c 9z7z27z12z29 6 8 7 5 zttz 4t22mn6t265 7 5 7 7 mn5x6mn 9mn16a2b16mn3mn8 5c3c3c 8n7c3n8c 9m7d2m5d15m19d 8pq2pq17pqpq 28a2b3b2c8a2b6b2c 4m9m23m20m25 5 8 7 5 znnz 11x23mn8x234 7 4 7 1 xy9x8xy 5ab13a2b4ab16ab3