Two cuboids with a length of CM, a width of 3cm and a height of 1cm are used to form a large cuboid. The largest surface area of the cuboid is () and the smallest is ()

Two cuboids, 4cm long, 4cm wide and 1cm high, are used to form a large cuboid. What is the maximum and minimum surface area of this cuboid?
The maximum is (4 × 4 + 4 × 1 + 4 × 1) × 2 × 2 - (4 × 1) × 2
=96-8
=88 square centimeters
The minimum is (4 × 4 + 4 × 1 + 4 × 1) × 2 × 2 - (4 × 4) × 2
=96-32
=64 square centimeters

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