ba chữ số 9 cạnh nhau

The greatest number 3-digit is 99

The greatest number 3-digit is : ...

Help me in ten minutes!!

The area of the square is:

         38 x 38 = 1444(m2)

                  Answer: 1444 m2

But i also have the answer

           The area of the rectangle is :

                    8 x 9 = 72 ( cm2 )

                              Answer : 72 cm2

I'm the length must be a 9 cm, width is 8 cm

The area of the rectangle is ... cm².

please check

my answer is a)708

Choose the correct answer:

The number lighter than 709 and greater than 707 was:

a)708   b)710   c)712   d)714

Jim is 12cm taller than John. John is 139cm tall. Bob is 21cm shorter than Jim. How tall is Bob?

Jim has 20 apples and oranges. The number of apples in 4 times the number of oranges. How many apples does Jim have?

Congratulations Lê Quốc Trần Anh

How many interger numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits?

A dozen pens cost 24.6 dollars. How much does each pen cost?

9 bills of 100 euro: 100 x 9 = 900 ( euro )

9 bills of 10 euro: 10 x 9 = 90 ( euro )

10 coins of 1 euro: 10 x 1 = 10 ( euro )

He has: 900 + 90 + 10 = 1000 ( euro )

            Answer: 1000 euro

A group of kangaroos of four colors.
Then the 29th kangaroo is colored:
            29: 4 = 7 (residual 1)
Then the 29th kangaroo is black.

What are the maximum number of grape vines that can be planted, not closer than nine feet apart, in a square plot containing one-sixteenth of an acre? 

(Note: each side of this square plot would be 52 feet 2 inches)

If the point (8, 9) is the center of a circle of radius 10 units, at how many points does the circle intersect the coordinate axes?

Prove that:

\(\dfrac{7x-21}{14x-42}=\dfrac{2}{4}\)

\(\dfrac{5}{89}+\dfrac{8}{59}=\dfrac{295}{5251}+\dfrac{712}{5251}=\dfrac{1007}{5251}\)

5/89 + 8/59 = ?