Question

trả lời bài này cho mình với

Câu 1

 

How many double digit numbers are there?
Answer:

 

numbers.

 

Câu 2

 

How many single digit numbers are there?
Answer:

 

numbers.

 

Câu 3

 

Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.
Answer:

 

 

Câu 4

 

Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
99; 100;

 

 

Câu 5

 

1kg of apple costs 2 dollar and 1kg of orange costs 3 dollar more than an apple. Jean bought 10kg of apples and 8kg of oranges. How much did she have to pay for the fruits?
Answer:

 

dollar.

 

Câu 6

 

The perimeter of a square garden is 36m. What is its area?
Answer: Its area is

 

m^2m2.

 

Câu 7

 

Find the product of 7 tens and 7 ones.
Answer:

 

 

Câu 8

 

Anna has 206 stickers and Mary has 78 stickers. How many stickers must Anna give to Mary so that they have the same number of stickers?
Answer:

 

stickers.

 

Câu 9

 

The product of 40 and a number m, is a 2-digit number that greater than 40. The value of m is

 

 

Câu 10

 

A number has a digit 3 in ones place. It is greater than 64 but less than 82. What number is it?
Answer:

 

 

Answer 1

Câu 3: 

Answer:

700.000 + 6000 + 300 + 40 + 2 = 706342.

Câu 5: 

Answer:

Cost to buy apples and buy oranges are:

         (10 x 2) + (8 x 3) = 44 (dollar)

                                     Answer: 44 dollar

Câu 6:

Answer:

The following squares are:

       36 : 4 = 9 (cm)

Square area is:

       9 x 9 = 81 (cm²)

                Answer: 81 cm²

Câu 8:

Answer:

Anna than Mary ket number is:

         208 - 78 = 128 (kets)

So: Anna must give Mary the same number as:

        128 : 2 = 64 (kets)

                    Answer: 64 kets

Answer 2

câu 4 là 101 vì số kế tiếp của nó là số có 3 chữ số