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Mathematics
Mathematics
Problem
If D, E and F are the midpoints of the sides BC, CA and AB of a triangle ABC, then
A
D
‾
+
B
E
‾
+
C
F
‾
\overline{AD} + \overline{BE} + \overline{CF}
A
D
+
B
E
+
C
F
is equal to ________.
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