\(\text{A family consists of grandparents, parents and three children. }\)
\(\text{ The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?}\)
1) The difference beetween two number is 3. Their sum is 33. What are the two number?
2) Agnes is 10 years old. Her mother Lisa is 4 times as old as Agnes. How old will Lisa be when Agnes is twice as old as. She is now?...........years old
3) Eric is in a building. He is 5m above the ground. He climbs up 4 flights of stairs, each of wich is 3m hight. How hights Eric now above the ground?
1) The difference beetween two number is 3. Their sum is 33. What are the two number?
2) Agnes is 10 years old. Her mother Lisa is 4 times as old as Agnes. How old will Lisa be when Agnes is twice as old as. She is now?...........years old
3) Eric is in a building. He is 5m above the ground. He climbs up 4 flights of stairs, each of wich is 3m hight. How hights Eric now above the ground?
the sum of the age of a football coach anh his two members is 100. His age will be the sum of the two members in 12 years time. How old is the football coach?
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:
there are four kids .if we compute the total age of three of them at a time ,the sum are 22,20,17,25.what is the different of age between the oldest and the youngest among these four kids
Earth radius is 6370km.
a) Determine the lunar radius, know that it is one of the 1200km, 1730km, 2100km radius and approximately four times the radius of the moon.
b) Determine the distance from the Earth to the Moon knowing that it is one of the number 191000km, 520000km, 484402km and that distance than the thirty-eight times the diameter of Earth.
Tự dịch nha ! Toán tiếng Anh đó ! Đây là 1 bài toán đơn gian
Joel is three years younger than his brother Jaime. The sum of their ages is fifty-five. How old is Joel?
âu 1:
.810:8=8...
Answer: The missing number is
Câu 2:
The fourth power of 3 is
Câu 3:
Find the number n such that 2016n=1.
Answer:
Câu 4:
What is the greatest remainder when a number divide by 9?
Answer:
Câu 5:
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 6:
Anna is 1.53m tall. What is her height in centimeters?
Answer: (cm)
Câu 7:
510x610=_________10
Câu 8:
Find the last digit of 22016.
Answer: The last digit of 22016 is
Câu 9:
Find the number n such that 58-2x3n=4.
Answer:
Fill in the blank with the suitable sign (>; =;<)
Câu 10:
Compare: 310_______95