1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024 要解题思路,

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• 1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024 要解题思路,
• 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
• 1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024 讲的好懂点
• 计算：1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024=_．
• 1.1/2+1/4+1/8+1/16+1/32+1/64+……+1/512+1/1024= 2.1+ 1+2/1 + 1+2+3/1 + 1+2+3+4/1（就是1+2+3+4+5这样逐渐增多一直到最后1+……+100分之一.3.还有一个就是5+5的平方+5的二次方+5的三次方+5的四次方这样加到5的25次方、要巧算.4.1+2-3-4+5+6-7-8+9+10-11-12+……+97+98-99-100这个我急用啊.马上考试了正在冲刺复习.有些题目的巧算不清楚
• 1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024 讲的好懂点
• 1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024 要解题思路,
• 1+1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512=
• 1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024=_．
• 计算：1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024=_．
• 1又1\2+2又1\4+3又1\8+4又1\16+5又1\32+6又1\64+7又1\128+8又1\256+9又1\512+10又1\1024 1又1\2+2又1\4+3又1\8+4又1\16+5又1\32+6又1\64+7又1\128+8又1\256+9又1\512+10又1\1024
• x+2/4-6/5x-6=1