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