合并同类项综合练习题67.docx

1、合并同类项综合练习题679c6c7c 6t9b9t4b 3m4c6m2c19m18c 8pq9pq20pqpq 29x2y3y2z2x2y9y2z 7m2m26m19m23 1 7 7 5 zyyz 2y26pq2y272 8 2 8 7 mn5x2mn 9pq17x2y3pq23pq8 4f2f9f 8z8e9z5e 8a9n11a10n18a10n 6pq13pq12pqpq 18a2b8b2c19a2b2b2c 2t3t25t19t22 1 8 7 5 znnz 15x25mn7x215 7 5 7 3 mn8t4mn 8xy16x2y18xy5xy4 4f6f5f 4y2b7y2b 3

2、b8d2b9d12b17d 2pq12pq16pqpq 29a2b6b2c18a2b4b2c 7x7x27x2x24 2 1 7 5 xyyx 10z24mn2z213 6 3 6 7 ab9m3ab 4mn9x2y20mn27mn8 8c4c4c 2x8e5x10e 7m2n20m3n12m18n 6ab12ab14abab 29a2b3y2z11a2b3y2z 4n6n24n8n29 1 9 7 5 xyyx 3t26pq9t285 8 5 8 1 mn8y7mn 7ab6x2y9ab19ab7 3f3f5f 4x6b5x4b 7b8n9b3n10b14n 2pq10pq18pqpq 6x

3、2y4b2c13x2y4b2c 4x8x25x17x21 1 9 7 5 mnnm 13z28pq7z292 8 2 8 9 xy2n4xy 6ab20x2y18ab4ab8 6a5a4a 4n7a8n6a 2a4c14a3c14a13c 5pq6pq18pqpq 29a2b3y2z13a2b5y2z 6n2n25n13n26 4 1 7 5 xyyx 11x28mn2x225 7 5 7 4 mn2n2mn 8xy5x2y4xy14xy5 6e3e3e 9z4a4z9a 4b9n18b10n11b18n 7mn8mn20mnmn 7x2y7y2z9x2y3y2z 4y8y29y4y29 1

4、9 7 5 xyyx 9z24mn8z282 8 2 8 1 pq8m8pq 7xy16x2y18xy2xy2 8d3d5d 8t5e4t3e 6a5d6a20d17a20d 9pq6pq15pqpq 10a2b6y2z11a2b9y2z 9m6m22m12m23 4 8 7 5 xnnx 16y26ab7y213 7 3 7 8 pq5z6pq 2ab15x2y18ab5ab7 4c9c2c 9z5e7z2e 6a8c11a12c14a11c 2xy5xy20xyxy 25a2b7y2z18a2b9y2z 4x5x23x9x24 1 1 7 5 zttz 15m22xy3m282 7 2 7 7 xy7y9xy 9pq4x2y16pq16pq6 4d2d5d 10n3f2n4f 7b7c4b8c15b15c 4mn8mn16mnmn 6a2b9b2c23a2b9b2c 6x9x28x3x26 1 7 7 5 myym 12y24mn5y282 8 2 8 5 ab2z8ab 6ab20x2y19ab30ab4