合并同类项综合练习题7.docx

1、合并同类项综合练习题77e6e4e 9y2e6y2e 8b2n5b6n10b11n 6pq6pq10pqpq 26x2y3y2z25x2y5y2z 8x6x23x20x27 1 8 7 5 myym 7m25pq7m293 7 3 7 8 ab8x4ab 8mn6a2b8mn18mn7 8b6b6b 10n8d5n4d 5a7n14a8n19a14n 6mn9mn16mnmn 6a2b8y2z26a2b8y2z 9n8n27n18n25 4 9 7 5 mnnm 5n29pq7n255 8 5 8 1 ab7n6ab 3xy12a2b14xy28xy8 3a5a8a 8z3b9z9b 9b7d

2、14b11d14b16d 5mn8mn13mnmn 13x2y3y2z28x2y4y2z 7z7z24z20z25 1 8 7 5 xttx 20m27mn9m222 7 2 7 1 xy6y2xy 4xy14a2b17xy3xy4 7c4c8c 4y6b2y3b 6b8d20b2d15b18d 9mn2mn10mnmn 19x2y7b2c7x2y7b2c 3x4x29x12x29 1 8 7 5 myym 5t29ab3t212 7 2 7 6 pq5n5pq 5ab9a2b5ab7ab7 9d9d4d 8t7d6t9d 6m2n6m8n10m20n 5ab6ab18abab 9x2y4b2

3、c9x2y5b2c 8y4y29y2y25 5 7 7 5 znnz 19m23mn7m294 8 4 8 5 ab4n3ab 6pq11x2y15pq30pq4 5b8b4b 8z4a3z5a 7a9n12a13n20a12n 8mn20mn13mnmn 28a2b5b2c10a2b7b2c 5n2n27n10n29 1 7 7 5 mnnm 4x27pq6x214 8 4 8 1 xy4z5xy 7pq11x2y15pq19pq7 8e2e9e 3x8f7x9f 5a3c4a4c20a20c 2mn18mn10mnmn 27x2y9y2z7x2y8y2z 3t6t27t18t23 1 9

4、7 5 myym 5x27pq2x222 8 2 8 4 pq4m7pq 6mn11x2y6mn7mn5 8f8f6f 9t9d9t9d 9b8d12b13d15b20d 8xy18xy15xyxy 21x2y3y2z10x2y2y2z 7t6t26t6t22 5 1 7 5 myym 10m23ab2m234 8 4 8 5 xy2y7xy 7ab14x2y9ab4ab4 4a4a2a 3z3a6z8a 6a7d20a16d12a16d 6pq18pq12pqpq 24a2b9y2z16a2b4y2z 6t5t24t20t23 4 6 7 5 xyyx 6x24ab8x293 7 3 7 4 xy5m4xy 6pq12a2b18pq29pq3 2e4e8e 8t5d9t10d 7b4d12b5d17b14d 5ab16ab20abab 26a2b9b2c6a2b8b2c 3z8z25z5z26 1 5 7 5 mttm 11z24pq5z255 6 5 6 1 pq2m6pq 5pq20a2b8pq10pq4