2. The lengths of the three sides where the cuboid intersects the vertex are 2cm, 4cm and 5cm respectively. The method of putting this cuboid on the desktop with the smallest desktop area is (c).

A. 5 cm long, 2 cm wide and 4 cm high.

3. With a 60cm long wire, a cuboid teaching aid with a length of 6cm, a width of 2cm and a height of (C )cm can be welded.

4.80cm3 of iron sank into a cuboid container with a length of 8cm and a width of 5cm, and the water level rose by (c) cm a.10b.1c.2d.3.

5. A score is 5/ 12, and the numerator adds 10. In order to keep the score unchanged, the denominator should be increased by (a). A. 12b.24c. 10d.36

I was adopted by my teacher.