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Câu hỏi 1:The average of three numbers is 1988. The first number is 1984. The third number is 2 units more than the second number. Find the third number.Câu hỏi 2:The average of 5 consecutive odd numbers is 123. Find the greatest number.Câu hỏi 3:Which of the following fractions is equal to 2/3?Câu hỏi 4:The average of two numbers is 95. The first number is 2/3 of the second number. Find the first numberCâu hỏi 5:Fill in the blank with the correct number: 6/100 kg = .... kgCâu...
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Câu hỏi 1:
The average of three numbers is 1988. The first number is 1984. The third number is 2 units more than the second number. Find the third number.

Câu hỏi 2:
The average of 5 consecutive odd numbers is 123. Find the greatest number.
Câu hỏi 3:
Which of the following fractions is equal to 2/3?

Câu hỏi 4:
The average of two numbers is 95. The first number is 2/3 of the second number. Find the first number
Câu hỏi 5:
Fill in the blank with the correct number: 6/100 kg = .... kg

Câu hỏi 6:
The sum of two fractions is 45/23 and the first fraction is one quarter of the second fraction. Find the first fraction.

Câu hỏi 7:
The sum of twonumbers is 463 and three are eighteen even numbers between these numbers. Find the greater number.

Câu hỏi 8:
Which of the following fractions is the greatest number?

Câu hỏi 9:
The average of two numbers is 95. The first number is 2/3 of the second number. Find these two numbers.

Câu hỏi 10:
The sum of the number of lions and monkeys in a zoo is 40 and lions are 1/3 the number of monkeys. How many monkeys are there in the zoo?
 

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Write the words in number form which consist of: 7 hundred thousands, 6 thousands, 3 hundreds, 4 tens and 2 units.Answer: Câu 2:Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.897;  ; 899Câu 3:Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.; 87; 88Câu 4:How many single digit numbers are there?Answer:  numbers.Câu 5:6 is just after of 5 and 5 is just before of 6. What is the product of just after and...
Đọc tiếp

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

Câu 2:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
897;  ; 899

Câu 3:
Fill in the sequence with the missing number in order to have 3 consecutive natural numbers.
; 87; 88

Câu 4:
How many single digit numbers are there?
Answer:  numbers.

Câu 5:
6 is just after of 5 and 5 is just before of 6. What is the product of just after and just before of 10?
Answer: 

Câu 6:
Jean has 3014 beads. She has 497 beads less than Gillian. How many beads do they have altogether?
Answer: They have  beads altogether.

Câu 7:
There are 56 apples in a basket.  of them are green and the rest are red. How many red apples are there?
Answer: There are  red apples.

Câu 8:
The perimeter of a square garden is 36m. What is its area?
Answer: Its area is  .

Câu 9:
248 boys and 418 girls were divided into groups of 9. How many groups were there altogether?
Answer:  groups.

Câu 10:
Mr Junior bought 1 magazine, 1 book and 1 pen. The pen costs 5 dollar, the book costs 31 dollar more than the pen. The magazine costs twice as much as the book. How much did he spend on the three things?
Answer: He spent  dollar.

0
22 tháng 9 2015

Dịch: Trung bình cộng của 3 số là 32. Số thứ hai gấp 2 lần số thứ nhất, số thứ ba hơn số thứ hai 6 đơn vị. Tìm số thứ nhất?

Tổng 3 số bằng: 32 x 3 = 96

Coi số thứ nhất là 1 phần, số thứ hai là 2 phần như vậy, Số thứ ba là 2 phần và 6 đơn vị

Ta có sơ đồ sau:

6 số thứ nhất số thứ hai số thứ ba 96

Bớt số thứ hai đi 2 đơn vị

Tổng số phần bằng nhau là: 1 + 2+ 2 = 5 (phần)

5 phần ứng với 96 - 6 = 90 đơn vị

Số thứ nhất là: 90 : 5 x 1 = 18 

ĐS: 18

22 tháng 9 2015

Sửa lại dòng: Bớt số thứ hai đi 2 đơn vị  ----> Bớt số thứ ba đi 6 đơn vị!

28 tháng 6 2021

????

The greater number is: 90:(1+2)x2=60

23 tháng 3 2022

the greater number is : 90 : ( 1+2 ) x 2 = 60

lần sau ghi tiếng ziệt hum là tới công chuyện

2 tháng 6 2018

sorry i don't have any time to tell you the answer .Anyway you should use your mind to do that 

NM
16 tháng 1 2022

The number of numbers that is erased on the board at most is 5 number ( 1,2,3,4,5)