找规律,再计算.1/2+1/4+1/81/2+1/4+1/8+1/161/2+1/4+1/8+1/16+1/321/2+1/4+1/8+1/16+1/32+1/64
问题描述:
找规律,再计算.
1/2+1/4+1/8
1/2+1/4+1/8+1/16
1/2+1/4+1/8+1/16+1/32
1/2+1/4+1/8+1/16+1/32+1/64
答
找规律,再计算.
1/2+1/4+1/8
1/2+1/4+1/8+1/16
1/2+1/4+1/8+1/16+1/32
1/2+1/4+1/8+1/16+1/32+1/64