16 sparrows were resting on 2 lamp post
2 sparrow flew from the first to the second lamp post
3 sparrows flew from the second to the first lamp posts .
The number of sparrows on the first and the second lamp posts became the same.
How many sparrows on each lamp post at first.
giúp mik thêm bài này zới:
There are 30 days in the month of April.31 students will be celebrating their birthdays in that month
Can you find 2 student who were born on the same day? Why?
cảm ơn các bn rất nhiều, các bn làm đc bài nào thì chỉ mik zới nhé