Exam number 119:38
Compare: 3170 – (4123 – 1892) 3170 – 4123 + 1892
Which number comes next in the following series?

Answer:
How many days are there in September?
Answer: There are days.
In 6724, which digit is in the tens place?
Answer:
Calculate:
How many numbers are there?

Answer: There are numbers.
The perimeter of a square is 3dm 6cm. What is its area in centimeter square?

Answer: The area of the square is
The perimeter of the following square is cm.

Find x such that
Answer: x =
How many triangles are there in the figure below?

Answer: There are triangles.

câu 1 : 4
câu 2 : 5
câu 3 : 1945
câu 4 : 1
câu 5 : 27
câu 6 : 250
câu 7 : 53
câu 8 : 4560
câu 9 : 9
câu 10 : 120
Cau2:5
Cau3:1945
Cau4:1
Cau5:27
Cau6:250
Cau7:53
Cau8:4560
Cau9:9
Cau10:120
Cau8:4560
Cau9:
Cau10: