1. The cuboid carton without cover has a square surface and the length of two edges is 4cm and 5cm respectively. Calculate the surface area outside the carton Six cuboids with 10 cm long edges are stacked together to form a cuboid, and the surface area of the cuboid is calculated 2. Paint the six sides of a cuboid which is 4cm long, 3cm wide and 6cm high with blue, and then saw the cuboid to get a small cube whose edge length is 1cm ① How many cubes are there with three faces painted blue ② How many cubes are there with two sides painted blue ③ How many small blue cubes are there on a surface

1. The cuboid carton without cover has a square surface and the length of two edges is 4cm and 5cm respectively. Calculate the surface area outside the carton Six cuboids with 10 cm long edges are stacked together to form a cuboid, and the surface area of the cuboid is calculated 2. Paint the six sides of a cuboid which is 4cm long, 3cm wide and 6cm high with blue, and then saw the cuboid to get a small cube whose edge length is 1cm ① How many cubes are there with three faces painted blue ② How many cubes are there with two sides painted blue ③ How many small blue cubes are there on a surface

The surface area of 1 carton is composed of two cubes and three cuboids, so
2 * 4 * 4 + 3 * 4 * 5 = 92 square centimeters
The cuboid is 6 * 10 = 60 cm high, 10 cm wide and 10 cm long
The surface area is 2 * (60 * 10 + 10 * 10 + 10 * 10) = 1600 square centimeters
2 8 24 32

Two cuboids with the length of 5cm, the width of 4cm and the height of 3cm are put together to form a cuboid with the largest surface. The volume of the cuboid is______ Cm3, the surface area is______ cm2．

5 × 4 × 3 × 2 = 120 (cubic centimeter), (5 × 4 + 5 × 3 + 3 × 4) × 2 × 2-3 × 4 × 2, = 47 × 4-24, = 188-24, = 164 (square centimeter), answer: the volume of the assembled large cuboid is 120 cubic centimeter, and the surface area is 164 square centimeter

A cuboid, 5 cm longer, becomes a cube, and its surface area increases by 160 square cm. What is the volume of this cuboid______ Cubic centimeter

The width and height of the original cuboid are: 160 ／ 4 ／ 5 = 8 (CM), the length of the original cuboid is: 8-5 = (CM), 3 × 8 × 8 = 192 (cm3), answer: the volume of the original cuboid is 192 cm3. So the answer is: 192