(1/3a+1/4b)/(1/2a-1/3b)化简,得 a (4a+3b)/(3a-2b) b (4a+3b)/(6a-4b) c (6a-4b)/(4a+3b) d(3a+4b)/(6a-3
(1/3a+1/4b)/(1/2a-1/3b)化简,得 a. (4a+3b)/(3a-2b) b .(4a+3b)/(6a-4b) c .(6a-4b)/(4a+3b) d.(3a+4b)/(6a-3b）
不要乱写