the succeeding number of -7 is.....................
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Bài thi số 1
Điền kết quả thích hợp vào chỗ (...):
12:09
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Câu 1:
The succeeding number of -7 is 7
Câu 2:
Given that M is the midpoint of the segment AB. Calculate the length of the segment MB if AB = 10cm.
Answer: MB=5cm
Câu 3:
What is the absolute value of -4?
Answer: The absolute of -4 is4
Câu 4:
Find the value of
Answer: A=5
Câu 5:
Given that the distance from point a to point -1 on the number line is 7. Find a if a > 0.
Answer: a=6
Câu 6:
Find the opposite number of .
Answer: It is -28
Câu 7:
Find the greatest negative integer.
Answer: It is -1
Câu 8:
Given a segment AB = 4cm. Let C be a point such that A is midpoint of segment CB. Find the length of segment CA.
Answer: CA=4cm
Câu 9:
Given 20 points. Draw the lines through the 2 points of these 20 points. How many lines are there if only 3 of 20 points are aligned?
Answer: There are 188 lines.
Câu 10:
Find the smallest natural number which has exactly nine divisors.
Answer: 36
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?
Câu 1: Given that is divisible by 9. What is the value of ?
Câu 2: How many elements of the set A are divisible by 9?
Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?
Câu 4:Find the remainder when is divided by 3.
Câu 5:Given that 511 is the sum of two prime numbers and , . What is the value of ?
Câu 6:Given that . Find the value of .
Câu 7:Given that . How many divisors does the number A have?
Câu 8:Find the natural number so that the product of and 5 is a prime number.
Câu 9:
Given that . How many divisors does the number A have?
Câu 10:
Given that . How many divisors the number A have?
When a whole number N is multipled by 7, the last three digits of the product is 173. Find the smallest possible value of N?
the units digit of a positive number is 2. if we move it to the other rnd, we get a new number which is twice the old number. what is the smallest value of the old number?
the units digit of a positive number is 2. if we move it to the other end, we get a new number which is twice the old number. what is the smallest value of the old number?
the units digit of a positive number is 2. if we move it to the other end, we get a new number which is twice the old number. what is the smallest value of the old number?
Question 2:
The number of factors of 120 is
Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=()
Question 6:
The 215th term of the expression A=1-7+13-19+25-31+⋯ is
Question 7:
A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number is
Question 8:
Calculate: 1×2+2×3+⋯+100×101=
Question 9:
The root of the equation (x+1)+(x+2)+(x+3)+⋯+(x+100)=5750 is x=
Question 10:
The sum of digits of 31000 is A,the sum of digits of A is B,and the sum of digits of B is C.The value of C is