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Factorization (X-Y) ^ 3-2xy (Y-X)
（x-y)^3-2xy(y-x)
=(x-y)(x²-2xy+y²+2xy)
=(x-y)(x²+y²)
I have kilogram. I want to change it into meter. How to convert it?
Take out a kilogram or several kilos, measure the number of meters, and then divide the total kilogram by the number of kilogram sampled and multiply by the number of meters measured, which is the total meter
How to convert inch and pound into meter and kilogram?
1In (inch) = 25.4mm (mm) = 0.0254m (m)
1B (LB) = 453.592g (g) = 0.453592kg (kg / kg)
How to convert inch into meter?
For example: how many meters should 2279 inches be equal to?
1 inch = 2.54cm = 0.0254m 2279 inch = 5788.66cm = 57.8866m
Conversion between kilogram and meter of seamless steel pipe
How many kilograms is 108 * 4 seamless steel pipe per meter
How many kilograms is a meter of stainless steel tube of 89 304
The theoretical weight of 1.108 * 4 seamless steel pipe is 1026 kg / m;
2. The wall thickness of 89 diameter stainless steel pipe can not be calculated or checked for you
Urgent 108.5kg cloth is 155g per square meter. 3880 pieces have been made. How many grams do you need for one piece? How is the formula?
5 kg = 108.5 × 1000 g = 108500 g,
One need:
108500 △ 3880 = 27.96 (g)
Urgent 108.5kg cloth is 155g per square. 3880 pieces have been made. How much square does a piece need? How to calculate the formula?
Area = 108.5 / 0.155 = 700 square meters
One 700 / 3880 = 0.18 M2
Mom bought 5 / 6 m cloth and spent 18 yuan. How much does it cost to buy 7 / 10 m cloth
Smile at our past, Hello:
Unit price = total price △ quantity
18 △ 5 / 6 = 21.6 yuan
Total price = unit price × quantity
21.6 × 7 / 10 = 15.12 yuan
One kilogram is 105 yuan. How much does it cost to convert one gram?
105 yuan, a kilogram is 1000 grams, 105 divided by 1000
How to convert kilogram price into rice price for stainless steel pipe
2191 * 4 2244 kg 26.81/kg
Calculate the weight per meter, and then multiply by the unit price per kilogram is the unit price per meter
According to your specification: 219.1x4, the weight per meter is 21.43kg/meter, multiply by 26.81 yuan / kg, the price per meter is 574.54 yuan / meter
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