速算与巧算1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/4096=答案是4093/4096
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速算与巧算1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/4096=答案是4093/4096
速算与巧算
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/4096=
答案是4093/4096
速算与巧算1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/4096=答案是4093/4096
如果题目没有写错,应该是4093/4096
4095/4096
4095/4096
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