new york ssteel jewelry wholesaler There are 18 small squares in the figure. Three coins should be placed in the square to make one coin in each row. How many methods do you have? (3 × 6)
3 thoughts on “new york ssteel jewelry wholesaler There are 18 small squares in the figure. Three coins should be placed in the square to make one coin in each row. How many methods do you have? (3 × 6)”
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cheap wholesale jewelry making supplies (1) If it is the same coin of Mei, it is 120. There are 6 types of coins in the first line. If you know the same reasons, then the second line of 5 kinds of third lines and 4 types. So it is 6*5*4 = 120 (2) if it is not the same coin (the pentagram of one corner), then 720. There are 18 kinds of corners, only 10 kinds of five corners, 4 types of one yuan. So 18*10*4 = 720 mainly depends on the meaning of the question. Thank you.
china acrylic jewelry storage box wholesale Supplement the picture for the landlord : First look at the first coin, it is clear that it has 18 ways; has 8 positions in the same column as the first one, so the second coin can only have it. 10 ways of putting; Similarly, the third coin has only 4 ways to put on the first and second different columns. So there is a common way of putting: 18x10x4 = 720 (species) Turn left | Turn right
cheap wholesale jewelry making supplies (1) If it is the same coin of Mei, it is 120. There are 6 types of coins in the first line. If you know the same reasons, then the second line of 5 kinds of third lines and 4 types. So it is 6*5*4 = 120 (2) if it is not the same coin (the pentagram of one corner), then 720. There are 18 kinds of corners, only 10 kinds of five corners, 4 types of one yuan. So 18*10*4 = 720 mainly depends on the meaning of the question. Thank you.
china acrylic jewelry storage box wholesale Supplement the picture for the landlord
: First look at the first coin, it is clear that it has 18 ways;
has 8 positions in the same column as the first one, so the second coin can only have it. 10 ways of putting;
Similarly, the third coin has only 4 ways to put on the first and second different columns.
So there is a common way of putting: 18x10x4 = 720 (species)
Turn left | Turn right
mere vic jewelry wholesale No picture