初一数学上册合并同类项专项练习题68.docx

1、初一数学上册合并同类项专项练习题686f3f4f 10x2f2x10f 2a5n7a8n11a18n 4pq11pq20pqpq 13x2y5y2z27x2y5y2z 6z7z24z18z22 1 6 7 5 xyyx 19z23pq9z252 7 2 7 1 xy4m5xy 3mn12x2y17mn20mn6 4a6a4a 5z3b7z3b 6m9d17m12d10m13d 4xy6xy18xyxy 14x2y8y2z23x2y8y2z 9y2y27y11y29 1 1 7 5 mttm 20t27xy8t215 8 5 8 1 xy6z3xy 8ab16a2b13ab21ab7 8a4a9

2、a 10t5f3t6f 9b8c20b12c18b13c 3pq20pq15pqpq 9a2b4b2c26a2b8b2c 6z5z29z15z23 1 5 7 5 mttm 13t26mn6t234 6 4 6 1 ab8t7ab 6ab3a2b10ab27ab4 5e2e5e 8m4e3m10e 9m8n16m4n20m11n 3pq5pq13pqpq 6a2b7y2z26a2b5y2z 9x9x23x14x22 2 1 7 5 myym 16t28ab7t283 6 3 6 1 xy7y7xy 8pq14a2b10pq14pq7 5f8f6f 8n9e6n8e 7m3n13m10n16m1

3、7n 2mn6mn10mnmn 20x2y4b2c9x2y3b2c 2t5t23t8t22 4 1 7 5 mttm 16x28xy8x243 8 3 8 7 ab8n3ab 8pq15x2y19pq18pq8 6f3f3f 4t8f4t10f 8m2c2m18c20m11c 7xy14xy19xyxy 27a2b5y2z26a2b8y2z 7z3z26z3z23 1 1 7 5 znnz 4y24pq7y222 7 2 7 1 mn8m5mn 3pq18x2y11pq26pq7 5d4d9d 4z6e5z5e 6b4d13b14d20b18d 8xy4xy14xyxy 23x2y9b2c2x

4、2y9b2c 6n6n24n11n29 2 1 7 5 xnnx 19y23pq8y293 7 3 7 7 mn3t2mn 8ab2x2y15ab11ab8 2d3d5d 6x6e7x4e 8m9d18m5d20m12d 3pq20pq13pqpq 16a2b2y2z3a2b7y2z 6y9y26y5y28 1 1 7 5 zttz 17m26mn9m244 7 4 7 1 pq8y6pq 7ab11a2b2ab22ab3 8e7e9e 5x2a2x9a 9b7c13b12c11b18c 9xy10xy16xyxy 20a2b7y2z9a2b9y2z 2x8x29x16x22 2 5 7 5

5、myym 3y27xy8y283 6 3 6 7 ab4z2ab 5pq4a2b9pq5pq8 9a4a7a 10n5b7n7b 3m9n19m19n17m17n 2ab15ab11abab 16x2y5b2c13x2y4b2c 9t8t28t7t23 4 5 7 5 zyyz 8n23ab7n213 6 3 6 1 pq8x2pq 5mn8a2b10mn10mn5 2d3d8d 9x2c6x10c 4a7n16a12n10a18n 2mn4mn20mnmn 14x2y3y2z2x2y3y2z 3y9y27y15y23 4 1 7 5 znnz 11z23mn2z265 7 5 7 1 xy9x9xy 8ab5x2y14ab9ab2 2c4c8c 7m9a3m8a 6m7d17m11d12m18d 2pq8pq10pqpq 14x2y5b2c13x2y6b2c 2t8t28t19t21 1 1 7 5 zyyz 20z27xy3z292 6 2 6 2 xy4t7xy 6ab10a2b9ab15ab3