write your answer by decimal in simplest form Question 7: A rectangle has a length of 60 cm and a width of 30 cm.It is cut into2 identical squares,2 identical rectangles and a shaded sma[r]
Trang 7Exam number 3 19:37
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part Example: 0.5)
Baì thi số 3
Trang 8Question 1:
Given the triangle ABC and the bisector BD, AB=5cm, CB=7cm
If the length of AD is 1cm less than the length of CD then the length of AC is cm
Question 2:
If then what is the value of ?
Answer: The value of is
Question 6:
Find the solution of the equation
Answer: The solution is
Three children: Mark, Tom, Andy ate 23 cookies altogether
Tom ate more cookies than Andy, Mark
What is the smallest possible number of cookies that Tom ate?
Answer: The smallest possible number of cookies that Tom ate is cookies
Question 9:
Find the maximum area of a triangle that has the length of two sides are and
Answer: The maximum area of the triangle is
Fill in the blank with the suitable sign (>; =;<)
Trang 9How many numbers between 10 to 3000 are multiple 7?
Answer: There are numbers
Find the maximum value of the expression
Answer: The maximum value of B is
Answer: The distance between his house and the school is km
Trang 10Question 10:
Given the triangle ABC, two bisectors BD and CE Find the length of the side BC if
and the perimeter of ABC is 50 cm
Answer: BC= cm
Trang 16Vòng 10 cấp quốc gia
Trang 26Find the area of the shaded square.
Answer:The area of the shaded square is
Let ABCD be the square with the side length If and lie on respectively such