Câu hỏi:
In the back yard there is a hollow stump that contains six ears of corn. If a healthy squirrel carries out only three ears each day, how many days will it take to empty the stump?
Đáp án:
Six. Each day the squirrel will carry out the two ears on his head plus one ear of corn.
0
0
Chia sẻ với bạn bè