1. Lily Store sold 5/7 * * of all the flowers in the store in two days, and sold a few cents of all the flowers in the store every day on average.

Solution: 5/7 ÷ 2 = 5/ 14

A: Sell 5/ 14 of all the flowers in the store every day on average.

2. A number multiplied by a fraction can be regarded as the (fraction) of this number.

3. Judges:

3/ 10+3/10+3/10+3/10 and 3/10 times 4 equals (√).

4. A pot of oil weighs 7/8kg. Half of the oil is used, and the pot weight is 1/2kg. How much does an empty pot weigh?

Solution: Oil used: 7/8- 1/2 = 3/8 (kg).

Oil weight: 3/8× 2 = 3/4 (kg)

Pot weight: 7/8-3/4 = 1/8 (kg)

Answer: pot weight 1/8kg.

5. There are three warehouses, A, B and C. If you take 4/9 tons of rice from warehouse A to warehouse B and then 4/9 tons of rice to warehouse C, the rice in the three warehouses is the same. How many tons of rice is there in warehouse A than in warehouse B?

Solution: 4/9+4/9 = 8/9 (ton)

(Because warehouse A takes out 4/9 tons of rice for warehouse B, that is, warehouse A reduces 4/9 tons and warehouse B increases 4/9 tons, the condition of "taking out 4/9 tons of rice for warehouse C" is redundant. )

A: It turns out that warehouse A has 8/9 tons more rice than warehouse B. ..