1. The length, width and height of the cuboid are 25cm, 20cm and 12cm respectively. The length and width of the largest surface are (25 cm) and (20 cm) respectively, and its area is (500) square cm. The smallest area is (20) cm long, (12) cm wide and (240) cm 2.

2. A cuboid has a length of 1.4m, a width of 5m and a height of 5m. This cuboid has (2) sides that are squares, and the area of each square side is (2500)cm2；; The other four faces are equal in size, and the area of each face is (70) square decimeter; This rectangle has a surface area of 330 square decimeters and a volume of 350 cubic decimeters.