giúp mình mấy câu này đi:
Question 4:
The area of the trapezoid below is..............
Question 6:
The area of the trapezoid below is 100 m2. Find x:
Answer: x =.............
Question 7:
The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this
land is............. . .
Question 8:
The value of m is..............
Question 9:
Which number between 70 and 80 can be expressed both as the sum of two consecutive natural numbers and as the sum of three consecutive natural numbers?
Answer: ..............
Question 10:
Anna multiply together the following numbers
How many zeros are there at the end of the product?
Answer: There are ............... zeros.
4 ) S = 18 cm2
6 ) x = 20 cm
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