合并同类项综合练习题54.docx

1、合并同类项综合练习题542b3b9b 4x9e5x9e 5a7d6a16d13a17d 5ab12ab16abab 21x2y2b2c27x2y4b2c 7m6m26m11m22 3 7 7 5 mnnm 19t28ab5t224 8 4 8 1 ab2y4ab 6mn14a2b8mn26mn8 6e9e5e 4z5d5z5d 2m9n13m19n17m17n 5ab11ab15abab 26a2b5b2c3a2b4b2c 5m9m28m17m28 4 7 7 5 xyyx 10x29xy5x233 8 3 8 3 mn4x5mn 2ab15a2b3ab24ab2 3f3f2f 7n7e2n2

2、e 5m2c8m14c13m14c 7ab17ab12abab 15x2y2b2c14x2y8b2c 4t4t26t4t22 1 1 7 5 myym 7y25ab7y275 8 5 8 1 ab9y5ab 6mn9x2y9mn7mn2 9a6a2a 7y3b9y2b 3b2d13b10d16b13d 8mn15mn20mnmn 4a2b4y2z7a2b3y2z 6y9y26y2y27 3 1 7 5 zttz 6t24pq7t222 7 2 7 6 ab3y3ab 7ab11a2b14ab13ab7 4f3f5f 6m4e8m5e 9m3c6m13c20m11c 9xy4xy11xyxy 2

3、0x2y7b2c13x2y6b2c 3n5n28n12n22 1 6 7 5 zyyz 8m23ab6m235 7 5 7 1 ab5z5ab 2ab3x2y7ab7ab8 9e9e9e 6y4b8y3b 7m4n20m19n10m20n 3mn19mn12mnmn 3x2y6b2c21x2y4b2c 4z9z29z4z22 4 6 7 5 zttz 6y24xy8y233 7 3 7 4 mn2y5mn 6xy3x2y10xy22xy3 5a6a2a 8y4e4y7e 7a4d6a18d11a15d 2ab18ab13abab 30x2y3y2z23x2y3y2z 5t6t26t5t27 1

4、 7 7 5 zttz 15t22pq2t282 6 2 6 8 pq3n7pq 5pq16x2y19pq13pq7 4c6c5c 7t5b5t6b 2m7d17m12d15m20d 2mn14mn11mnmn 6a2b3y2z11a2b9y2z 5t8t25t13t29 4 8 7 5 mttm 2z24pq5z245 7 5 7 1 xy8m4xy 7mn10a2b5mn18mn8 4a7a2a 8z8f3z9f 4a5c7a19c20a18c 5ab14ab18abab 30a2b3y2z25a2b6y2z 3n4n29n19n28 1 9 7 5 mnnm 17t26mn7t224 8 4 8 3 mn5m8mn 2ab9a2b18ab28ab4 8a4a3a 8x2c3x8c 4m2n15m3n20m20n 5ab6ab20abab 6a2b9y2z22a2b7y2z 4n9n25n15n26 1 1 7 5 zttz 8t25mn4t235 6 5 6 6 ab5t2ab 3ab7a2b2ab3ab7