Các câu hỏi tương tự
toan quoc te nhaQuestion 1:There are two parallel lines in the figure. What is the value of x? Answer: x Question 2:ABC and RTS are similar triangles.The value of x is Question 3:If x0 and 5x+8+|3x|0 then xQuestion 4:I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?Answer: Question 5:How many triples of integers (a,b,c) are there such that ? Answer: triples.Question 6:Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. T...
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toan quoc te nha
Question 1:
There are two parallel lines in the figure. What is the value of x?
Answer: x =
Question 2:
ABC and RTS are similar triangles.
The value of x is
Question 3:
If x<0 and 5x+8+|3x|=0 then x=
Question 4:
I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?
Answer:
Question 5:
How many triples of integers (a,b,c) are there such that
?
Answer: triples.
Question 6:
Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a cat.
How many students have both a dog and a cat?
Answer: students.
Question 7:
The sum of 2 positive integer numbers is greater than their product if the smaller number is
Question 8:
How many different real numbers satisfy the following equation?
Answer:
Question 9:
The area of trapezoid ABCD is 180 .The altitude is 8 cm,AD is 10 cm,and BC is 17 cm.
What is AB,in centimeters?
Answer: cm.
Question 10:
There are 115 cars in a village of 26 families. Each family has either 4 or 5 cars.
How many families have 4 cars?
Answer: families.
the area of the square ABCD is 64 cm2 ,the points M and N are the midpoints of the side AD and BC. the area of the quadrilateral MBND is cm2
In the figure, ABCD is a rectangle; E is the midpoint of AD; F is the midpoint of CD. What is the ratio between the area of the rectangle ABCD and the area of the triangle AEF?
A lateral surface area for a cubooid is 390 cm2 while the bottom area of the rectangle is 40 cm2. Not only that , the perimeter of bottom is 26 cm. What is the volume of the cuboid ?
Fill in the blank with the suitable number (Note: write decimal number with the dot between number part and fraction part. Example: 0.5)Question 1:A classroom is 6.5 meters long and 4.2 meters wide. What is its area? Answer: Its area is ................................ (Write your answer by decimal in the simplest form)Question 2:The area of the trapezoid below is .........................Question 3:What is 50% of 824?Answer: .........................................Question 4:The perimeter of...
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Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
A classroom is 6.5 meters long and 4.2 meters wide. What is its area?
Answer: Its area is ................................
(Write your answer by decimal in the simplest form)
Question 2:
The area of the trapezoid below is .........................
Question 3:
What is 50% of 824?
Answer: .........................................
Question 4:
The perimeter of the circle is ...........................cm
(Write your answer by decimal in the simplest form)
Question 5:
45% of M is 72. The value of M is ............................
Question 6:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer: .............................
Question 7:
The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is ..................
Question 8:
The value of m is ..........................
Question 9:
Anna multiply together the following numbers
How many zeros are there at the end of the product?
Answer: There are ................... zeros.
Question 10:
If and n is a natural number then n = ..........................
âu 1:.810:88...Answer: The missing number is Câu 2:The fourth power of 3 is Câu 3:Find the number n such that 2016n1.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_________10Câu 8:Find the last digit of 22016.Answer: The last digit of 22016 is Câu 9...
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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
The area of the trapezoid below is 100 m2. Find x
Question 1:K is a prime number and a multiple of 43. What is K?Answer: K Question 2:How many prime numbers are less than 10? Answer: There are numbers.Question 3:The smallest factor of 82 is Question 4:The smallest multiple of 47 is Question 5:In the following figure, RQ 12cm and PR 17cm. PQ cm Question 6:In the following figure, AN 5cm and AB 8cm. NB cm Question 7:A prime number between 42 and 46 is Question 8:Find the sum of all the factors of 19Answer: Question 9:The sum of two of fol...
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Question 1:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 2:
How many prime numbers are less than 10?
Answer: There are numbers.
Question 3:
The smallest factor of 82 is
Question 4:
The smallest multiple of 47 is
Question 5:
In the following figure, RQ = 12cm and PR = 17cm. PQ = cm
Question 6:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
Question 7:
A prime number between 42 and 46 is
Question 8:
Find the sum of all the factors of 19
Answer:
Question 9:
The sum of two of following numbers is divisible by 4 and 6.
What are the two numbers?
(Write numbers in order, beginning smaller and use “;”)
Answer:
Question 10:
How many prime numbers have formed ?
Answer: There are numbers
Question 1:The smallest multiple of 47 is Question 2:Which of following numbers is prime?Answer: Question 3:The smallest factor of 82 is Question 4:K is a prime number and a multiple of 43. What is K?Answer: K Question 5:In the following figure, AN 5cm and AB 8cm. NB cm Question 6:In the following figure, RQ 12cm and PR 17cm. PQ cm Question 7:List the first three multiple of 6. (Write numbers in order from least to greatest and use “;”)Answer: Question 8:The number 55 has factors.Questio...
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Question 1:
The smallest multiple of 47 is
Question 2:
Which of following numbers is prime?
Answer:
Question 3:
The smallest factor of 82 is
Question 4:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 5:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
Question 6:
In the following figure, RQ = 12cm and PR = 17cm. PQ = cm
Question 7:
List the first three multiple of 6.
(Write numbers in order from least to greatest and use “;”)
Answer:
Question 8:
The number 55 has factors.
Question 9:
Find n such that n and n + 1 are factors of 40
Answer: n =
Question 10:
If a, b are consecutive natural numbers and is divisible by 5 and 9 then a =