Checkers virtual currency
Publish: 2021-03-30 20:20:52
1. What's the difference between this and mine sweeping
it's just looking for gold coins instead of minesweeping
it's just looking for gold coins instead of minesweeping
2. You're in the picture above..... Please picture above, no picture, no title, no content, no truth; We can't analyze, solve puzzles for you, help you solve problems< br />
3. First look at the first coin. It's obvious that there are 18 ways to put it
there are 8 positions in the same row with the first coin, so the second coin can only be put in 10 ways
similarly, the third coin is different from the first and second coins, so there are only four ways to put it
therefore, the common method is: 18x10x4 = 720 (species)
turn left | turn right
there are 8 positions in the same row with the first coin, so the second coin can only be put in 10 ways
similarly, the third coin is different from the first and second coins, so there are only four ways to put it
therefore, the common method is: 18x10x4 = 720 (species)
turn left | turn right
4. 5 × four × three × two × 1 × five × four × three × two × 1，
=120 × 120,
= 14400 (species),
so the answer is: 14400
=120 × 120,
= 14400 (species),
so the answer is: 14400
5.
First look at the first coin, it is obvious that there are 18 ways to put it
There are 8 positions in the same row with the first coin, so the second coin can only be put in 10 wayssimilarly, the third coin is different from the first and the second, and there are only four different ways to put it
So the common method: 18x10x4 = 720 (species) 
6.
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