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Anonymous users2024-02-07Solution:1(3x3x5) (kg).
A: This oil drum can hold up to kilograms of gasoline.
2.= 32 (sqm).
A: To make ten sections of such ventilation pipes, you need at least 32 square meters of iron sheets.
3. 8x4x2=64
4x4x2=32
8x(2+2)x2=64
64 + 32 + 64 = 160 (square centimeters).
A: The minimum surface area is 160 square centimeters.
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Anonymous users2024-02-06Box = 3*3*5
45* kg).
Square = 4*4
16 (square decimeters).
16 square decimeters = square meters.
Rectangle = square meter).
Square metre. 8x4x2=64
4x4x2=32
8x(2+2)x2=64
s=(2*8+4*8+4*2)*2
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Anonymous users2024-02-05If Xiao Ming and Xiao Hong order milk tea together.
A total payment: 11 + 10 + 1 = 22 yuan (coupons cannot be used) Xiao Ming payment: 11 + 1 2 = yuan.
Xiaohongfu: 10+1 2=yuan.
If Xiao Ming and Xiao Hong order milk tea separately.
Xiao Ming pays: 11 + 1 = 12 yuan.
Xiaohongfu: 10+1=11 yuan.
Nor can I use a coupon of 23-10 to pay separately).
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Anonymous users2024-02-04You can make it a question like this, and if you have a pen, draw it as I say.
1.Take any two points A
b2.Make a line that does not pass through a
The straight line of b a.
Seeking: a little bit c on a
Make AC+BC minimum.
You can ask for this:
Through the perpendicular line of point A to A, the perpendicular foot is d to extend AD to E so that AD = one-half AE connects BE to cross A to point C, and point C is what is sought.
You can get enlightenment, and if you don't know what you don't know, you can ask and ask questions.
Thank you for adopting.
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Anonymous users2024-02-03The AC coordinates are (1-3, N+2).
bc（1-4，n-2）
The length of the vector or line segment is definitely minimum when =0.
Therefore, when AC and BC are inversely equal, the minimum value is 0.
So, find the length. AC abscissa squared under the root sign + square of the ordinate = square of the abscissa BC under the root sign + square of the ordinate.
The solution has been told to you, go ahead and do the math.
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Anonymous users2024-02-0270 (7+5+2)=5 cm 5*7=35 cm 5*5=25 cm 5*2=10 cm 35*25*10=8750 cubic centimeters Not divided by 4 It is not said that it is the sum of the length of the edges.
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