1. Two containers, A and B, can hold 900 ml of water. It is known that the capacity of container B is 8 times that of container A. What are the capacities of container A and container B respectively?

The capacity of a bottle is 250ml. A 6-month-old baby drinks 4 bottles of milk every day. How many liters of milk does the baby drink every day?

3. Obviously, when calculating the division, the divisor 23 was wrongly written as 32. As a result, the quotient 18 was still 12. Can you work out the correct result?

4. A square lawn with a side length of 18m is equal to a rectangular lawn with a length of 36m. What is the width of the rectangular lawn?

Xiaohong drank a glass of milk. After drinking half the first time, she filled it with water. The second time, I drank half, then filled it with water, and finally drank it all. The milk she drinks is compared to water.

A. More milk B. More water C. As much D. Not sure.

6. Judgment: Observing a cuboid from one angle, you can see at most three faces at a time. ()

7. Chengxin Supermarket sold 330 cases of milk in the second quarter and 672 cases of milk in the third quarter. How many boxes of milk are sold on average every month in these two quarters?

8. There are 32kg pears in basket A, 38kg pears in basket B and 50kg pears in baskets C and D. How many kilograms are there in each basket on average?

9. Grade four students help kindergarten children make paper flowers. Five people in the first group made an average of 24 flowers, and six people in the second group made 144 flowers. How many paper flowers did each of the two groups make on average?

10. In a mountaineering activity, Zi Han climbed to the top of the mountain at a speed of 50 meters per minute, which took 18 minutes. Then go down the mountain along the original road and walk 75 meters per minute. How many meters per minute does Zi Han move back and forth on the mountain?