1/2x(1/2^7-1)/-1/2=1-1/2^7=127/128,即128分之127。
2/1 + 4/1 + 8/1 + 16/1 + 32/1 + 64/1 + 128/1 + 256/1等于什么
2个回答
相关问题
-
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=?
-
1/2-1/4-1/8-16/1-32/1-64/1-128/1-256/1
-
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
-
1-1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256 等于多少?过程.
-
1+2\1+4\1+8\1+16\1+32\1+64\1+128\1+256\1
-
计算:1/2+4/1+8/1+16/1+32/1+64/1+128/1+256/1
-
1-1/2+1/4-1/8+1/16-1/32+1/64-1/128+1/128+1/256-1/512