Mathematics, 06.10.2021 19:00 OperatorBravo

A rectangular cube with sides measuring 4 cm, is made with $1 cm^{3}$ blocks. Two straight tunnels of 4 cubes each are taken out. All exposed surfaces are painted including inside the tunnels. How many small cubes have been painted on exactly 3 faces?

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A rectangular cube with sides measuring 4 cm, is made with blocks. Two straight tunnels of 4 cubes...

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A rectangular cube with sides measuring 4 cm, is made with blocks. Two straight tunnels of 4 cubes each are taken out. All exposed surfaces are painted including inside the tunnels. How many small cubes have been painted on exactly 3 faces?

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Another question on Mathematics

A rectangular cube with sides measuring 4 cm, is made with $1 cm^{3}$ blocks. Two straight tunnels of 4 cubes each are taken out. All exposed surfaces are painted including inside the tunnels. How many small cubes have been painted on exactly 3 faces?