1/2+1/4+1/8+1/16= 用简便方法计算
问题描述:
1/2+1/4+1/8+1/16= 用简便方法计算
答
1/2+1/4+1/8+1/16
=〈(1/2+1/4+1/8+1/16)*16〉/16
=(8+4+2+1)/16
=15/16
简单便于理解,把思维过程都写出来了!