101 cubed. Bad example.

How to find 101 cubed using abbreviated multiplication formulas? I have already shown how, using the cubes of the sum formula, one can calculate one hundred and one in a cube. There I presented one number 101 as the sum of two numbers 100 and 1. The use of simpler (more convenient in calculations) numbers makes the calculation easier.

On the Internet, I saw an example of using other formulas, the sum of cubes and the difference of cubes. This is a bad example. To find 101 cubed, use the numbers 101 and 100. This is how it looks.

101 cubed. Bad example. Sum of cubes. Difference of cubes. Mathematics For Blondes.
101 cubed. Bad example.


Why is this a bad example? I'll show you now. I'll take the number 101, the cube of which we need to find, and zero.

101 cubed. Removing garbage. Mathematics For Blondes.
101 cubed. Removing garbage.


By using zero, I removed all the mathematical garbage from the calculations - these are four multiplications and four additions or subtractions.

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