1⼀2+1⼀2+1⼀4+1⼀8+1⼀16+1⼀32+1⼀64

2025-04-13 19:58:43
推荐回答(1个)
回答1:

1/2+1/2+1/4+1/8+1/16+1/32+1/64
=1+3/8+3/32+1/64
=1+15/32+1/64
=1又31/64