200.5*0.1+2.005*490+0.2005*5000简便运算
问题描述:
200.5*0.1+2.005*490+0.2005*5000简便运算
答
原式=2005*0.01+2005*0.49+2005*0.5 =2005*(1) =2005
200.5*0.1+2.005*490+0.2005*5000简便运算
原式=2005*0.01+2005*0.49+2005*0.5 =2005*(1) =2005