071213
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Setup
3 Cu wires (6 cm, 5 cm and 6 cm long; 1 mm in diameter) are inserted into a CuW alloy (20% Cu and 80% W by weight). File:Setup.png
4
4 6 44
3 Cu wires (6 cm, 5 cm and 6 cm long; 1 mm in diameter) are inserted into a CuW alloy (20% Cu and 80% W by weight). File:Setup.png
4 6 44 [math]\frac{4^9}{9}[/math]