题目内容

1
128
+2
1
64
+4
1
32
+8
1
16
+16
1
8
+32
1
4
+64
1
2
=______.
1
128
+2
1
64
+4
1
32
+8
1
16
+16
1
8
+32
1
4
+64
1
2

=(
1
128
+
1
64
+
1
32
+
1
16
+
1
8
+
1
4
+
1
2
)+(2+4+8+16+32+64),
=(
1
2
+
1
4
+
1
8
+
1
16
+
1
32
+
1
64
+
1
128
)+126,
=(1-
1
2
+
1
2
-
1
4
+
1
4
-
1
8
+
1
8
-
1
16
+
1
16
-
1
32
+
1
32
-
1
64
+
1
64
-
1
128
)+126,
=(1-
1
128
)+126,
=
127
128
+126,
=126
127
128
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