2010007104

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Project ID: 
2010007104
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Accepted: 
0
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1
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There are \(5\) different roads between cities A and B. Find the number of possible ways from the city A to the city B and back, if it is required to use one road from A to B and another different one from B to A.
\( 5 \cdot 4 = 20\)
\( 5 + 4 = 9\)
\( 5 \cdot 5 = 25\)
\( 2 \cdot 5 = 10\)