义乌802:化简分式,会的帮帮忙

来源:百度文库 编辑:查人人中国名人网 时间:2024/05/09 19:17:32
(0.2a+0.3b)/(0.25a-0.6b)

(0.2a+0.3b)/(0.25a-0.6b)
=(0.2a+0.3b)*100/(0.25a-0.6b)*100
=(20a+30b)/(25a-60b)
=5(4a+6b)/5(5a-12b)
=(4a+6b)/(5a-12b)

rtyr trye

(4a+6b)/(5a-12b)

(4a+6b)/(5a-12b)