câu trà lời của mình là :
lấy 5.2 x 10 + 9.3 = 61.3
sau đó lấy 61.3 : 10 = 6.13
đáp án là 6.13
câu trà lời của mình là :
lấy 5.2 x 10 + 9.3 = 61.3
sau đó lấy 61.3 : 10 = 6.13
đáp án là 6.13
8.a2b + c.deb vậy d = ? 2 ; 0 ; 3 ; 1
a.bc x10 = 5.2 x 10 + 9.3 Vậy b = ?
Find the value of c if 0.abc×100=4.7×10+21.2
Answer: c=
Find the value of c if 0.abc×100=4.7×10+21.2
Answer: c=
Find the value of c if 0.abc×100=4.7×10+21.2
Answer: c=
Find the value of m if m is divisible by 10 and 584 < m < 600. The value of m is
Câu 9:
The average mass of a group of children is 47kg. If of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer:
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=.
Find a if 1.01xab=8b.4a
answer: the value of a is ....
Find the value of a if 8,a2b + c,deb = a,97c
Answer : a = .........
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