1/2+1/4+1/8+1/16+1/32+...+1/256简便运算
3个回答
1/2+1/4+1/8+1/16+1/32+...+1/256
=1-1/256
=255/256
相关问题
1/2+1/4+1/8+1/16+1/32+...+1/256简便运算
1/2+1/4+1/8+1/16+1/32+1/64简便运算=﹙1/2+1/4+1/8+1/16+1/32+1/64+1
1-2/1-4/1-8/1-16/1-32/1-64/1-128/1-256/1的简便算法.急.
1/2+1/4+1/8+1/16+········+1/256(简便计算)
2*(1/4+1/8+1/16+1/32+1/64+1/128)÷2 求简便运算
计算:1/4+1/8+1/16+1/32……+1/256
1+1?2+2?4+4?8+8?16+16?32+32 64+64 128+128 256+256 512+512 10
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256=?