How many sides does a decagon have?
How many diagonals does 11-sided convex polygon have?
Tom's family have 40 chickens, after which he bought 24 chickens. The next day, the number of chickens increased by 2 times. How many chickens does Mr. Tom have?
Hoa has eight pens in two box . Hoa buy fifteen boxs . How many pens are there does Hoa have ?
(giúp mình với . THANKS )
how many lowest term fraction a denominator of 2016 have
1 in / listening / the everyning . / I like / to / music
2 time does / What / work ? / go to / your father
3 father work ? / many house / a week / How / does Lan's
4 video game ? / How / do / often / you play
5 home village / peacefull . / is very / I like my / because it
6 at home / weekend ? / on / What does / doing / like / your father
7 How / much milk / your mother / does / want ?
8 an english song / in / our class / in singing / Lan / now
9 their / did they / hometown ? / go to / How
10 My sister / often goes / on friday / evening . / dancing
For how many positive integers n is it possible to have a triangle with side lengths 5, 12 and n?
Toán Tiếng Anh:
1. How many boxes are crossed by a diagonal in a rectangular table formed by 199 x 991 small squares?
2. The son of a professor's father is talking to the father of the professor's son, and the professor does not take part in the conversation. Is this possible?
Toán Tiếng Anh:
1. How many boxes are crossed by a diagonal in a rectangular table formed by 199 x 991 small squares?
2. The son of a professor's father is talking to the father of the professor's son, and the professor does not take part in the conversation. Is this possible?