Talk about your best friend

I have many friend but my best friend is Giang. She is 11 years old. She is shotsrer than me, slim and she has oval face. She has long black hair. Giang is very clever and friendly. She alaways helps his friends and share everythings. Were both friendly.

bài này tưởng của lớp 5

Đổi : 1 giờ= 60 phút

Người đó đi từ A đến B hết số thời gian là:

\(4\div3\times60=45phút\)

Đáp số 45 phút