On Mon, 7 Mar 2016 14:08:04 +0200
Vasily Kolobkov <[email protected]> wrote:

> -      = 40⋅30⋅10⁴ + (40⋅20 + 30⋅10)⋅10² + 10⋅20, but the middle is
> +      = 4⋅3⋅10⁴ + (40⋅20 + 30⋅10)⋅10² + 10⋅20, but the middle is

4000 * 3000 = 40 * 30 * 10^4 = 4 * 3 * 10^6.

-- 
FRIGN <[email protected]>

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