Question

шарик обнаружил 5 мышиных норок.от каждой норки к любой другой шел только один ход. сколько всего ходов соединяло эти пять норок.

Answer 1

вообще-то 10 ходов, но решил только графически. А для простоты, надо нарисовать пять точек , как вершины пятиугольника. Соединяя, получим звезду (как в СССР)  

Answer 2

Calculating the Total Number of Paths Connecting Five Mouse Holes

To calculate the total number of paths connecting the five mouse holes, we can use the concept of permutations and combinations. Since each hole is connected to every other hole by exactly one path, we need to find the number of ways to arrange the connections between the holes.

Step 1: Finding the Total Number of Paths To find the total number of paths connecting the five mouse holes, we can use the formula for combinations. The formula for combinations is given by: nCr = n! / (r! * (n-r)!) Where n is the total number of items, r is the number of items to choose, and ! denotes factorial.

Step 2: Calculating the Total Number of Paths Using the combination formula, we can calculate the total number of paths connecting the five mouse holes.

The total number of paths connecting the five mouse holes is given by: 5C2 = 5! / (2! * (5-2)!) = 5! / (2! * 3!) = (5 * 4 * 3!) / (2! * 3!) = (5 * 4) / 2 = 10

Therefore, there are a total of 10 paths connecting the five mouse holes.