Thực hiện các phép tính
Các bn giúp mk với
Bn nào nhanh và đúng nhất mk tặng 100 xu nha
----- Nội dung dịch tự động từ ảnh -----
There are some chickens and rabbits in a cage. The number of chickens is 3
times and 10 more as the number of rabbits. They have 110 legs in total.
How many chicken(s) is / are there?
3 times and 10 more: Gấp 3 lần và nhiều hơn 10 con nữa; In total: Tổng số.
1.
Every cell A will split into 2 cell B after 1 minute and every cell B will split
into 2 cell A after 2 minutes. There are few cell A now. After 10 minutes,
2.
scientists observe 1792 cells. How many cells are there in the beginning?
Cell: Tế bào; Split: Tách đôi; Observe: Quan sát được.
A book store had a box of text books. One half and 8 fewer books were sold
on the first day. One half of the remaining part and 2 more books were sold
on the second day. One half of the remaining part and 1 fewer books were
sold on the third day. Finally 9 books are left. How many book(s) did the box
contain originally?
One half: Một nửa; Remaining part: Phần còn lại; Fewer: It hơn; More: Nhiều
hơn; Originally: Ban đầu.
3.
4. 5 numbers, A, B, C, D and E, represent 5 different numbers from 0 to 9.
Given the following conditions:
1. E> D>C> B > A
2. The sum of A, B and C is greater than D.
ACis divisible by B na tional Mathematical Olympiad
5. The sum of A, B and D is less than E.
В. па
6. E is greater than 7.
Find the number to represent D.
Represent: Biểu diễn; Sum: Tổng; Equals: Bằng; Divisible: Chia hết; Greater than:
Lớn hơn; Less than: Nhỏ hơn.
According to the pattern shown below, what is the number in the blank?
Pattern: Quy luật; The blank: Chỗ trống.
5.
7
8
32
14
31
9
21
17
10
11
29
10
25
6
9
20
4
All answers should be written on the ANSWER SHEET.
Tất cả đáp án phải được điền vào PHIẾU TRẢ LỜI.
Arithmetic
6. Find the value of
3
<13.
6.
7. Find the value of
1
1
1
+...+
1
1
1x2 2x3 3x4
19x 20 20x21
8. Find the value of 4420x 2368-4421x 2367.
9. Convert 0.136 into the simplest fraction.
Convert: Đổi; Simplest fraction: Phân số tối giản.
10. Find the value of 5+8+10+13+15+...+35+38+40.
Value: Giá trị. (Thuật ngữ chung dành cho câu 6 đến câu 10)
Bn nào nhanh và đúng nhất mk tặng 100 xu nha
----- Nội dung dịch tự động từ ảnh -----
There are some chickens and rabbits in a cage. The number of chickens is 3
times and 10 more as the number of rabbits. They have 110 legs in total.
How many chicken(s) is / are there?
3 times and 10 more: Gấp 3 lần và nhiều hơn 10 con nữa; In total: Tổng số.
1.
Every cell A will split into 2 cell B after 1 minute and every cell B will split
into 2 cell A after 2 minutes. There are few cell A now. After 10 minutes,
2.
scientists observe 1792 cells. How many cells are there in the beginning?
Cell: Tế bào; Split: Tách đôi; Observe: Quan sát được.
A book store had a box of text books. One half and 8 fewer books were sold
on the first day. One half of the remaining part and 2 more books were sold
on the second day. One half of the remaining part and 1 fewer books were
sold on the third day. Finally 9 books are left. How many book(s) did the box
contain originally?
One half: Một nửa; Remaining part: Phần còn lại; Fewer: It hơn; More: Nhiều
hơn; Originally: Ban đầu.
3.
4. 5 numbers, A, B, C, D and E, represent 5 different numbers from 0 to 9.
Given the following conditions:
1. E> D>C> B > A
2. The sum of A, B and C is greater than D.
ACis divisible by B na tional Mathematical Olympiad
5. The sum of A, B and D is less than E.
В. па
6. E is greater than 7.
Find the number to represent D.
Represent: Biểu diễn; Sum: Tổng; Equals: Bằng; Divisible: Chia hết; Greater than:
Lớn hơn; Less than: Nhỏ hơn.
According to the pattern shown below, what is the number in the blank?
Pattern: Quy luật; The blank: Chỗ trống.
5.
7
8
32
14
31
9
21
17
10
11
29
10
25
6
9
20
4
All answers should be written on the ANSWER SHEET.
Tất cả đáp án phải được điền vào PHIẾU TRẢ LỜI.
Arithmetic
6. Find the value of
3
<13.
6.
7. Find the value of
1
1
1
+...+
1
1
1x2 2x3 3x4
19x 20 20x21
8. Find the value of 4420x 2368-4421x 2367.
9. Convert 0.136 into the simplest fraction.
Convert: Đổi; Simplest fraction: Phân số tối giản.
10. Find the value of 5+8+10+13+15+...+35+38+40.
Value: Giá trị. (Thuật ngữ chung dành cho câu 6 đến câu 10)