2011*0.3/2013*0.5+1.2/2013 简算,要快加油,加油,要快啊

问题描述:

2011*0.3/2013*0.5+1.2/2013 简算,要快
加油,加油,要快啊

你的题目是2011*0.3/2013*0.5+1.2/2013 ,还2011*0.3/(2013*0.5)+1.2/2013呢?如果是:2011*0.3/2013*0.5+1.2/2013=2011*0.3*0.5/2013+1.2/2013=301.65/2013+1.2/2013=302.85/2013如果是:2011*0.3/(2013*0.5)+1.2...