Bài thi số 2Điền kết quả thích hợp vào chỗ (...): 19:34Fill in the blank with the suitable numberCâu 1:There were 5256 people in a commune. After a year, the population increased by 79. One year later, it increased further by 71. How many people are there in total after 2 years?Answer: people.Câu 2:Find the value of y such that y - 305 = 545.Answer: y = Câu 3:The sides of a triangle are a, b and c respectively.What is the perimeter of the triangle if a = 8cm, b = 6cm, c...
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Bài thi số 2
Điền kết quả thích hợp vào chỗ (...):
19:34
Fill in the blank with the suitable number
Câu 1:
There were 5256 people in a commune. After a year, the population increased by 79. One year later, it increased further by 71. How many people are there in total after 2 years?
Answer: people.
Câu 2:
Find the value of y such that y - 305 = 545.
Answer: y =
Câu 3:
The sides of a triangle are a, b and c respectively.
What is the perimeter of the triangle if a = 8cm, b = 6cm, c = 6cm?
Answer: The perimeter of the triangle is cm.
Câu 4:
A fund received 75500000 VND on the first day, 85950000 VND on the second day and 14500000 VND on the third day. How much money did the fund receive altogether?
Answer: The fund received VND altogether.
Câu 5:
The sum of the ages of the father and his son is 58. The father is 38 years older than his son. How old is the father?
Answer: The father is years old.
Câu 6:
The perimeter of a rectangle is 32cm. The length is 4cm longer than the width. What is its area?
Answer: Its area is .
Câu 7:
The sum of the ages of the mother and her son is 60. The mother is 38 years older than her son. How old is the mother?
Answer: The mother is years old.
Câu 8:
In a café, there were 267 adults and 123 teenagers. If each of them spent 8 dollars then they spent dollars in all.
Câu 9:
If A - B = 8 and the average of A and B is 7 then A =
Câu 10:
On a Christmas tree, there are 45 glass stars and 26 golden balls. Each glass star costs 4 dollars while a golden ball costs 3 more dollars than a glass star. What is the total cost of the glass stars and golden balls?
Answer: The total cost is dollars.
đây là đề thi toán tiếng anh lớp 4 vòng 6 đó!
ban a co 1 so loi rong bai cua ban vi du nhu an old phai chuyen thanh an odd va even nuber thanh even number minh dich de bai nhu sau :cho day so 1,3,6,10,15,21,28 vay so thu 15 la so chan hay so le ? con so thu 23 thi sao ?
mmonh ban thong cam vi minh chi co the dich cho ban thui sorry nhiu !
Mình sẽ nói kết quả sau khi giải thích :
1 , 3 , 6 , 10 , 15 , 21 , 28 , ...
1 + 2 = 3 + 3 = 6 + 4 = 10 + 5 = 15 + 6 = 21 + 7 = 28 ...
Là cộng thứ tự tăng dần .
Vậy , muốn tìm số thứ 23 , mình sẽ làm ngay !
1 , 3 , 6 , 10 , 15 , 21 , 28 , 36 , 45 , 50 , 61 , 73 , 86 , 100 , 115 , 121 , 138 , 156 , 175 , 195 , 216 , 238 , 261 .
Số 261 là số thứ 23 .
Vậy số thỏa mãn đề bài là 261 .