1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024+1/2048+1/4096=_.

问题描述:

1
2
+
1
4
+
1
8
+
1
16
+
1
32
+
1
64
+
1
128
+
1
256
+
1
512
+
1
1024
+
1
2048
+
1
4096
=______.

1
2
+
1
4
+
1
8
+
1
16
+
1
32
+
1
64
+
1
128
+
1
256
+
1
512
+
1
1024
+
1
2048
+
1
4096

=1-
1
2
+
1
2
-
1
4
+
1
4
-
1
8
+…+
1
2048
-
1
4096

=1-
1
4096

=
4095
4096

故答案为:
4095
4096