After three identical cubes are put together into a cuboid, the surface area is reduced by 36 square decimeters. What is the volume of this cuboid? Urgent need

After three identical cubes are put together into a cuboid, the surface area is reduced by 36 square decimeters. What is the volume of this cuboid? Urgent need

One face of cube = 36 △ 4 = 9 square decimeters
Cube side length = 3 decimeters
Volume = 3 * 3 * 3 * 3 = 81 cubic decimeter

Put three identical cubes into a cuboid. The surface area of the cuboid is 280 square decimeters. What is the surface area of each cube?

3*6=18-4=14
280/14=20
20*6=120
The surface area of each cube is 120 square decimeters

The surface area of a cuboid made of 4 cubes with 2 cm long edges may be______ Square centimeter, maybe______ Square centimeter

(1) 1 × 4 arrangement: length, width and height: 2 × 4 = 8 cm, 2 cm and 2 cm respectively; surface area: (8 × 2 + 8 × 2 + 2 × 2) × 2, = (16 + 16 + 4) × 2, = 36 × 2, = 72 (square cm); (2) 2 × 2 arrangement: length, width and height: 2 × 2 = 4 cm, 2 × 2 = 4 cm and 2 cm respectively; surface area: (...)