合并同类项综合练习题139.docx

1、合并同类项综合练习题1398e7e5e 6n4d7n9d 7m2n17m7n16m10n 4xy19xy14xyxy 25a2b3y2z15a2b8y2z 5t6t26t14t22 4 7 7 5 myym 9z24mn7z223 6 3 6 1 ab4z7ab 2mn4x2y20mn19mn2 5d6d3d 6t9b7t8b 4a2c15a19c16a18c 7xy5xy16xyxy 20x2y5y2z27x2y4y2z 7y6y29y13y25 1 9 7 5 mttm 7m28mn9m245 8 5 8 1 pq5n9pq 6ab10x2y17ab6ab5 6e4e5e 9y4b5y8b

2、 8a8n8a13n14a11n 6pq17pq20pqpq 25x2y2b2c3x2y8b2c 8z3z24z10z29 1 7 7 5 mttm 6y25xy3y262 6 2 6 7 mn9n7mn 9xy12x2y4xy21xy8 2f4f3f 10t6f7t2f 6m3c6m11c13m10c 8xy3xy16xyxy 9a2b8y2z2a2b6y2z 7y6y22y3y25 1 6 7 5 zttz 19n24ab4n232 7 2 7 4 mn7z6mn 4mn15a2b19mn21mn3 2e8e4e 6n9c5n2c 9m3n3m16n15m10n 4mn13mn17mnmn

3、 14x2y5b2c14x2y6b2c 5n2n29n16n27 1 8 7 5 xyyx 5n24xy6n212 7 2 7 1 ab6m8ab 4mn11x2y19mn18mn6 2a5a3a 9t2b3t9b 9a5n4a4n12a12n 5ab3ab18abab 11x2y4y2z27x2y5y2z 4t4t28t12t26 4 6 7 5 mnnm 16n25xy6n253 7 3 7 9 ab5z7ab 9pq6x2y15pq9pq8 4d6d7d 6t4f4t8f 6a6n10a9n14a17n 5pq6pq18pqpq 25x2y2y2z10x2y7y2z 7x2x25x16x

4、23 3 1 7 5 xnnx 18n29pq2n222 7 2 7 1 pq8z2pq 7xy18a2b20xy18xy4 7a9a3a 10m8c6m5c 8m7n10m9n13m14n 6pq2pq18pqpq 21a2b7b2c2a2b3b2c 2m4m24m8m23 1 1 7 5 mnnm 7n28xy7n215 8 5 8 5 ab7m4ab 7pq4x2y19pq23pq4 3e6e8e 6t3e5t2e 5b6d18b16d11b18d 3mn7mn16mnmn 10a2b7y2z3a2b3y2z 4x9x22x20x23 5 6 7 5 mnnm 20z28pq4z264 7 4 7 1 pq5n3pq 6pq5x2y7pq12pq6 8e4e5e 9n3b9n3b 8b3c20b14c10b16c 2ab2ab18abab 7a2b6y2z23a2b7y2z 7z5z22z16z29 1 1 7 5 xyyx 10m25ab3m295 6 5 6 1 pq3n8pq 5mn14a2b4mn6mn5