Vẽ sơ đồ biểu đồ Ven .
Theo sơ đồ ta thấy số học sinh thích cả hai câu lạc bộ bằng số học sinh cả lớp trừ cho số học sinh thích cả hai câu lạc bộ .
Số học sinh thích cả hai câu lạc bộ :
( 30 + 25 ) - 42 = 13 ( học sinh )
đ/s : 13 học sinh
Câu 1
Class 6A has 42 pupils. 30 of them joined the Swimming club and 25 of them joined the Gymastic club. All pupils must be a member of at least one club, find the number of pupils who joined both clubs.
Answer:............. pupils.
Among 90 club members, 60 like to play tennis and 56 like to swim. At most how many of these club members like both ? At least how many of them like them both?
100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?
Answer: %
Among 90 club members, 60 like to play tennis and 56 like to swim. At most how many of these club members like both ? At least how many of them like them both?
Huhu làm ơn giúp với, mình cần gấp lắm !!!!!
a school has 1500 pupils.on a certain day,30 pupils were absent.find the percentage of the pupils who were present on that day.
Câu 1:
The fourth power of 3 is
Câu 2:
What is the greatest remainder when a number divide by 9?
Answer:
Câu 3:
Câu 4:
.
Câu 5:
100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?
Answer: %
Câu 6:
Maria is 10 years old and her sister is 7 years old. In how many years' time will their total age be 41 years?
Answer: years.
Câu 7:
Câu 8:
Find such that:
Answer:
Câu 9:
Find the last digit of .
Answer: The last digit of is
Câu 10:
Given that the set .
How many elements are there in the set A?
Answer:
Câu 1:
9 is the squared of
Câu 2:
What is the greatest remainder when a number divide by 9?
Answer:
Câu 3:
.
Câu 4:
Câu 5:
100 pupils participate a drawing competition. 58 of them are girls. What percentage of the pupils who participate the competition are boys?
Answer: %
Câu 6:
The value of such that .
Answer:
Câu 7:
Anna is 1.53m tall. What is her height in centimeters?
Answer: (cm)
Câu 8:
The value of such that
Answer:
Câu 9:
Find the last digit of .
Answer: The last digit of is
Câu 10:
Given that the set .
How many elements are there in the set A?
Answer:
In a promotional sale, anyone who buys a bottle of juice at the regular price of 7 dollars can get a second bottle of juice by paying 1 more dollar. A group has 9 people, each of them wants a bottle of juice. How many dollars does the group have to pay at least?