How many square kilometers is Fiona Fang 10 Wan Li?

785,000 square kilometers.

Fiona Fang is 10 Wan Li, which is 50,000 li in radius and 785,000 square kilometers in converted area according to mathematical units.

Fiona Fang in ancient times refers to the east and the west, with five neighbors as the interior, and there are 100,000 such household registration units around Fiona Fang.

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Small conclusion of college entrance examination mathematics

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The learning content of grade seven is:

The courses of senior one are: source language, mat

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Discrete mathematics r = {

that is

Use each ordered pair in R to find orthogonality with each ordered pair in R (multiplication is required):

& lt 1��2 & gt�� * & lt 1��2 & gt�� Invincib

First-year math 1, 2, 3, 4 unit examples! ! ! ! ! ! ! There is an answer! ! ! ! The teacher is quite abnormal.