2.05 tons = () tons () kilograms 3 liters 50 ml = () liters.

4. A two-digit decimal plus one-digit decimal is 2.3. The maximum value of this two-digit decimal is () and the minimum value is ().

5. The decimal point of a number is moved two places to the left and three places to the right, and then it is 0. 123. This number is ().

6. The parallelogram has a base of 2.6 cm, a height of 4 cm and an area of ().

The base of a triangle is 2.5 cm, the area is 10 cm2, and the height is ().

7. A pair of trousers is N yuan, and the price of a coat is six times that of a pair of trousers, so a coat needs () yuan and a suit needs () yuan.

8.50 1 class conducted a 1 minute skipping test. The scores of six students are: 137, 142, 136, 150, 138 and 65438+.