dịch : Tôi là một bội số của 70 giữa 400 và 600. chục My chữ số là lẻ. Tôi là ai?
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I am a multiple of 80. I am between 300 and 500. I am 40 more than a multiple of 70. Who am I?
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.
Cac ban ơi cho minh hoi A natural number will increased by9 times ifthe digit 0 is written between tens digit and units digit.The number is
How many natural numbers having three digits such that the tens digit spuared equals the product of other digits and the difference between that numbers and its reversed order is 495
how many 3 digit numbers that are multiples of 6 in which the sum of hundreds digit and units and units digit is twice tens digit ?
How many natural numbers having three digits such that the tens digit squared equals the product of other digits and the difference between that number and its reversed order is 495?
Answer: There are numbers.
How many natural numbers having three digits such that the tens digit squared equals the
product of other digits and the difference between that number and its reversed order is 495?
Answer: There are numbers.
Question 1:The smallest odd multiple of 9 is Question 2:K is a prime number and a multiple of 43. What is K?Answer: K Question 3:How many prime numbers are less than 10? Answer: There are numbers.Question 4:P is a prime number and a factor of 8. What is P?Answer: P Question 5:A prime number between 42 and 46 is Question 6:In the following numbers, which has the most factors?Answer: Question 7:The number 55 has factors.Question 8:Find the sum of all the factors of 15Answer: Question 9:How man...
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Question 1:
The smallest odd multiple of 9 is
Question 2:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 3:
How many prime numbers are less than 10?
Answer: There are numbers.
Question 4:
P is a prime number and a factor of 8. What is P?
Answer: P =
Question 5:
A prime number between 42 and 46 is
Question 6:
In the following numbers, which has the most factors?
Answer:
Question 7:
The number 55 has factors.
Question 8:
Find the sum of all the factors of 15
Answer:
Question 9:
How many times does the digit “0” appear in numbers from 1 to 1000?
Answer:
Question 10:
If m, n are consecutive odd numbers and is divisible by 3 and 5 then m =
Hi ! my name is Chipi.I am twelve years old.Im in class 6A. I live in Nghệ An with mother, father and me . My house is next to a store. Near our house, there is a candystore, a lake and a stadium. My mother works in a director of major companies and my father works do in a restaurant and i am is a student . I am go to school at 6.30 every morning .I have classes from seven thirty to eleven thirty .1.How many people are there in Chipis house ?2.What does her father wokr ?3.What does her mother wo...
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Hi ! my name is Chipi.I am twelve years old.I'm in class 6A. I live in Nghệ An with mother, father and me . My house is next to a store. Near our house, there is a candystore, a lake and a stadium. My mother works in a director of major companies and my father works do in a restaurant and i am is a student . I am go to school at 6.30 every morning .I have classes from seven thirty to eleven thirty .
1.How many people are there in Chipi's house ?
2.What does her father wokr ?
3.What does her mother work ?