A rectangular box , which is madeof cardboard has a length of 5dm , a with of 3dm and a height of 2dm . How many cubes with side length of 1dm3 can be contained in this box ?
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A rectangular box , which is madeof cardboard has a length of 5dm , a with of 3dm and a height of 2dm . How many cubes with side length of 1dm3 can be contained in this box ?
hard ! hard ! hard !
I am understand but I can not do this exercise because it is too difficult
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bài sách giáo khoa mà không làm được . olm huấn luyện bọn này đi .
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A rectangular box , which is madeof cardboard has a length of 5dm , a with of 3dm and a height of 2dm . How many cubes with side length of 1dm3 can be contained in this box ?
hard ! hard ! hard !
A rectangular box , which is madeof cardboard has a length of 5dm , a with of 3dm and a height of 2dm . How many cubes with side length of 1dm3 can be contained in this box ?
hard ! hard ! hard !
The industrial park is built on a rectangular plot of land with a length of 5 km and a width of 2 km. How many square kilometers is the area of that industrial park?
(đây là bài toán đố)
Diện tích khu công nghiệp đó là :
5 x 2 = 10 (km2)
Đáp số : 10 km2
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Given a square with the length of one side is 8 cm and a isosceles triangle with the length of its base is 12 cm. If the area of the square is equal to the area of the isosceles triangle then what is the length of the height of the isosceles triangle, in cm?
As shown in the diagram, an empty cylindrical vessel of negligible thickness lies on a horizontal surface. The base radius of the vessel is 5 cm and the height is 20 cm. Inside the vessel is a wooden cube whichhas side length 6 cm, and its weight is evenly distributed. When floating in water, the top and bottom faces of the cube will be horizontal,and 1313 of its volume is above water. How much water, in cm3cm3, must be poured into the vessel so that the top face of the cube is level with the...
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As shown in the diagram, an empty cylindrical vessel of negligible thickness lies on a horizontal surface. The base radius of the vessel is
5 cm and the height is 20 cm. Inside the vessel is a wooden cube which
has side length 6 cm, and its weight is evenly distributed.
When floating in water, the top and bottom faces of the cube will be horizontal,
and 1313 of its volume is above water. How much water, in cm3cm3
, must be poured into the vessel so that the top face of the cube is level with the mouth of the vessel?（ 3.14 = π ）
a ,find the volume of the whole figure in cm3
b , we paint every side of the figure except for the bottom side .how many cubes with side length 1 cm are there that have three faces painted ?
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Pool A rectangular shape with a length 19,2m.Neu Rock, 22.5 width 414,72m cubic tank, the water level in the tank up to four-fifths of the height of the height of the tank be.Hoi how many meters?
A rectangular board has a circumference eight times the width of the card. Calculate the area of the cardboard, knowing the length of the cardboard is 99 cm
Theo bài tớ có số đó là :
Dai : l---------l----------l----------l
Rong: l---------l
Chiều rộng của tấm bia là :
99 : 3 x 1 = 33 ( cm )
Diện tích của tấm bia là :
99 x 33 = 3267 ( cm2 )
Đáp số : 3267 cm2
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Chu vi 8 phần
=> Nửa chu vi : 4 phần
Mà, đề cho: rộng : 1 phần
=> dài: 3 phần
Chiều rộng của tấm bìa:
99:3 x 1= 33 (cm)
Diện tích:
99 x 33=3267 (cm2)
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Chiều dài : l-----l-----l-----
Chiều rộng : l-----l
Chiều rộng của tấm bia là:
99 : 3 x 1 = 33 ( cm )
Diện tích của tấm bia là:
99 x 33 = 3267 ( cm2 )
Đáp số: 3267 cm2
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