合并同类项综合练习题129.docx

1、合并同类项综合练习题1293a2a5a 7m4f4m6f 9a5c6a13c17a15c 3mn16mn11mnmn 2a2b2y2z8a2b6y2z 3n9n22n8n26 4 9 7 5 xnnx 20z26ab6z225 8 5 8 4 pq3t6pq 4pq6a2b2pq25pq3 4a8a7a 5t7f3t5f 5m6d13m6d13m12d 3ab14ab16abab 29a2b6y2z17a2b5y2z 5z3z28z3z25 5 1 7 5 znnz 18m22ab2m254 8 4 8 5 mn5n4mn 9mn17x2y9mn12mn6 2e6e5e 6z2f4z2f 4b

2、6c16b13c11b12c 8ab20ab19abab 20x2y3b2c29x2y8b2c 3x9x22x8x28 1 7 7 5 zyyz 15t23ab9t272 8 2 8 5 xy9x4xy 5mn15x2y18mn7mn4 2f5f4f 4z9f8z10f 4b2n7b20n14b14n 7xy12xy14xyxy 3a2b9b2c19a2b2b2c 4t9t26t19t24 1 1 7 5 zyyz 7x29ab5x295 7 5 7 1 pq4m8pq 6mn16x2y3mn26mn8 6b2b3b 4n9f6n7f 4m4c15m10c19m17c 8xy20xy18xyx

3、y 7x2y6y2z25x2y8y2z 8z5z27z17z23 2 9 7 5 xttx 19y22pq6y283 8 3 8 1 ab5n7ab 6xy4x2y7xy22xy5 5d6d3d 7t8f6t7f 2b4n5b15n14b18n 7xy2xy13xyxy 21x2y3y2z18x2y8y2z 5n8n26n18n28 1 5 7 5 znnz 17m26pq8m282 6 2 6 2 ab6y4ab 8pq13a2b19pq22pq3 3c2c6c 7t6b5t5b 6b6n2b16n14b17n 7xy7xy14xyxy 23a2b5y2z19a2b2y2z 9y8y22y2

4、y27 3 7 7 5 xttx 20x23xy6x224 6 4 6 1 ab9t2ab 2pq13a2b11pq17pq7 7b4b5b 5x8d9x10d 8a9d14a20d13a16d 5ab4ab15abab 14x2y4y2z26x2y5y2z 5t5t23t4t28 4 6 7 5 xyyx 6x22pq6x255 7 5 7 5 mn8z3mn 6xy11a2b8xy20xy6 9d7d9d 10y4c9y9c 7m3d9m14d20m12d 2xy8xy15xyxy 12a2b3y2z5a2b4y2z 6y7y26y11y22 4 8 7 5 mnnm 8x27xy9x213 7 3 7 6 pq2m8pq 3pq10x2y11pq27pq5 8f4f5f 10y8d9y10d 7a7c5a17c18a15c 2mn15mn17mnmn 9x2y9y2z20x2y7y2z 6y4y24y9y29 1 6 7 5 mttm 7n29pq6n232 7 2 7 4 pq5t5pq 4ab13x2y2ab11ab3