Số gạo còn lại sau khi bán vào buổi sáng là: 250 - 100 = 150( kg)

Số gạo buổi chiều cửa hàng bán là: 150 : 3 = 50 (kg)

cả hai buổi cửa hàng bán được số ki-lô-gam gạo là : 150 + 50 = 200 (kg)

A) 10 km

B) 4 g

C) 30 ml

D) 40 phút

a) 20 × 3 246 × 5 = (20 × 5) × 3 246= 100× 3 246 = 324 600

b) 346 × 53 + 346 × 47 = 346 × (53 + 47 ) = 346 × 100 =34 600

Question 1:Who are the main characters in the story ?

Answer :The main characters in the story are the Hare and the Tortoise

Question 2: How far is it from Ha Noi to Hai Phong?

Answer : it's about 120 Kilometers

Question 3: Where are they going to visit this weekend?

Answer : they going to visit Huong river

Question 4: How’s the weather in Sydney in summer?

Answer : it's hot and sunny