Question

18 детей выстроились парами. Сколько пар полуичилось?

Answer 1

 9 пар!18 можно разделить на пару(ДВА ЧЕЛОВЕКА)ПОЛУЧАЕТСЯ 9 ПАР!!!!!!!!!!(Я ТАК ДУМАЮ)

Answer 2

18 разделить на 2 = 9 пар.

Answer 3

Answer:

18 children formed pairs. To find out how many pairs were formed, we can use the formula: nC2, where n is the total number of children. In this case, n = 18.

Using the formula: nC2 = (n!)/(2!(n-2)!) nC2 = (18!)/(2!(18-2)!) = (18*17)/(2*1) = 153

So, 153 pairs were formed.

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