because -4 x a = -8, so a = -8 : -4 = 2
because 2 x b = 10, so b = 10 : 2 = 5
because -4 x 5 = -20, so c = -20
học tốt
because -4 x a = -8, so a = -8 : -4 = 2
because 2 x b = 10, so b = 10 : 2 = 5
because -4 x 5 = -20, so c = -20
chúc bn thi tốt mình sắp thi rùi
If n is divisible by 100 and 4900 < n < 5100 then n =
Question 8:
The perimeter of the square below is cm
(Simplify your answer)
Question 9:
The sum of two numbers is the greatest 4 – digit number and their ratio is 1:2. The smaller number is
Question 10:
If the sum of two numbers is 471 and there are 44 other numbers between the two numbers. Find the greater number.
Answer:
Fill in the blank with the suitable number
Question 1:
Fill missing number in the blank
41165+23042=23042+
Question 2:
Fill missing number in the blank
54723+
=27849+54723
Question 3:
Calculate: 4159+2615+421=
Question 4:
The sum of two numbers is 98 and their difference is 24. The greater number is
Question 5:
If a square has one side’s length is 12cm then its perimeter is
cm
Question 6:
Find the value of 2356+a-b for a=1482, b=3105
Answer:
Question 7:
Think of a number that if you add 720 to it the answer will be 1427. The number is
Question 8:
If the perimeter of a square is 104m then its one side’s length is
m
Question 9:
I am an even 2-digit number. The sum of my tens digit and my ones digit is 11 and their difference is 5. Who am I?
Answer:
Question 10:
The perimeter of a rectangle is 72cm and its length is 12cm more than its width. Its length is
cm
Có bao nhiêu số có hai chữ số N có các tài sản mà tổng của N và số lượng được hình thành bằng cách đảo ngược các chữ số của N là một hình vuông hoàn hảo?
Các SAMF vuông có diện tích 169. Nó chứa hai qua các quảng trường vỗ. Nhỏ hơn của những sqares có một khu vực mà là một phần tư lớn hơn của họ, và các erea của chồng lên nhau của họ là 4. erea của vùng bóng mờ là gì?
Trong sơ đồ, mỗi số nguyên từ 1 đến 9 là phải được đặt trong một vòng tròn, cả chiều ngang và đường chéo, thêm vào 18. 6 và 1 đã được điền vào như hình vẽ. Xác định giá trị của các số đại diện bởi x trong biểu đồ. Biện minh cho câu trả lời của bạn
Bao nhiêu chữ số không số năm 2013 có?
Fill in the blank with the correct number
Question 1:
Complete the number pattern:
0,3,8,15,24,,48.
Question 2:
Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively.
Answer: The area of the shaded region is .
(write your answer by decimal in simplest form)
Question 3:
If , compute =.
Question 4:
The side of each square grid is 2cm. Find the area of the shaded region.
Answer: The area of the shaded region is .
Question 5:
If , find the value of m in .
Answer: m=.
Question 6:
How many whole numbers between 1 and 100 are not divisible by 3 or 11?
Answer: numbers.
Question 7:
Evaluate:
=.
(round to four decimal places)
Question 8:
Evaluate:
=.
(write your answer by decimal in simplest form)
Question 9:
Find the whole number A knowing that A is 9 units greater than the average of A, 38, 45 and 67.
Answer: A=.
Question 10:
Find the whole number C knowing that C is 14 units smaller than the average of C, 68, 72, 99.
Answer: C=.
1) Fill the mussing number. A cube has.....vertices
2) Fill the missing number. We're in the....st century
3) Ther are only two 2-digit numbers that are a multiple of 7 and the sum of thetr two digits is 10. Find the sum of these two 2-digit numbers: 70,119,140,21
4) The fourth power of 3 is...
5) Twice the square of 3....
6) The number of ethnic group in Vietnam?
7) The perimeter of 4cm square egde in cm?
1) Fill the mussing number. A cube has \(8\) veres
2) Fill the missing number. We're in the \(21\) st century
3) Ther are only two 2-digit numbers that are a multiple of 7 and the sum of thetr two digits is 10. Find the sum of these two 2-digit numbers: 70,119,140,21 \(70\)
4) The fourth power of 3 is \(64\)
5) Twice the square of 3 \(18\)
6) The number of ethnic group in Vietnam? \(54\)
7) The perimeter of 4cm square egde in cm? \(1\)
Mình cũng đar giải ra như các bạn rồi, chỉ có câu 3) đáp án không phải là 70, mình đã trả lời trên thi toán tiếng Anh rồi. Nhưng dù sao cũng cảm ơn các bạn nhé.
Fill in the blank with the suitable number
Question 1:
Fill missing number in the blank
41165+23042=23042+
Question 2:
Fill missing number in the blank
54723+=27849+54723
Question 3:
Calculate: 4159+2615+421=
Question 4:
The sum of two numbers is 98 and their difference is 24. The greater number is
Question 5:
If a square has one side’s length is 12cm then its perimeter is cm
Question 6:
Find the value of 2356+a-b for a=1482, b=3105
Answer:
Question 7:
Think of a number that if you add 720 to it the answer will be 1427. The number is
Question 8:
If the perimeter of a square is 104m then its one side’s length is m
Question 9:
I am an even 2-digit number. The sum of my tens digit and my ones digit is 11 and their difference is 5. Who am I?
Answer:
Question 10:
The perimeter of a rectangle is 72cm and its length is 12cm more than its width. Its length is
Question 1: 41165
Question 2: 27849
Question 3: 7195
Question 6: 733
**** rồi mình làm tiếp nhé!
Find the sum of following numbers
Answer:
Question 2:
Find the value of
Answer:
Question 3:
The sum of two numbers is 47 and their difference is 15. The smaller number is
Question 4:
Fill missing number in the blank
54723+=27849+54723
Question 5:
Find y such that y – 12358=18031
Answer: y=
Question 6:
There are 72 pages in a book. How many pages are there in 12 such books?
Answer: pages
Question 7:
If the perimeter of a square is 104m then its one side’s length is m
Question 8:
If a square has one side’s length is 12cm then its perimeter is cm
Question 9:
If then a=
Question 10:
The perimeter of a rectangle is 36cm and its length is 6cm more than its width. Its area is
Exam number 3
Fill in the blank with the suitable number
Question 1:
The sum of two numbers is 98 and their difference is 24. The greater number is
Question 2:
Fill missing number in the blank
41165+23042=23042+
Question 3:
Fill missing number in the blank
(32514+16257)+23459=+(16257+23459)
Question 4:
Calculate: 91625 – 27356=
Question 5:
If a square has one side’s length is 12cm then its perimeter is cm
Question 6:
If the perimeter of a square is 104m then its one side’s length is m
Question 7:
Find x such that x+24360=41256
Answer: x=
Question 8:
Find y such that y – 12358=18031
Answer: y=
Question 9:
Find the value of n such that
Answer: n=
Question 10:
Find the value of b such that
Answer: b=