1/2+1/4+1/8+1/16= 用简便方法计算

1/2+1/4+1/8+1/16= 用简便方法计算
1/2+1/4+1/8+1/16= 用简便方法计算

1/2+1/4+1/8+1/16= 用简便方法计算
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!