Question

1.7 2.9 5.2 8.6 ? 18.7 какое число вместо ? знака

Answer 1

Ответ:

13,1

Пошаговое объяснение:

1,7 + 1,2 = 2,9

2,9 + 2,3 = 5,2

5,2 + 3,4 = 8,6

8,6 + 4,5 = 13,1

13,1 + 5,6 = 18,7

Закономерность во втором слагаемом очевидна.

Answer 2

To find the missing number in the sequence 1.7, 2.9, 5.2, 8.6, ?, 18.7, we need to observe the pattern between the given numbers.

If we look closely, we can see that the sequence is increasing by a constant difference in each step. Let's calculate the differences between adjacent numbers:

2.9 - 1.7 = 1.2 5.2 - 2.9 = 2.3 8.6 - 5.2 = 3.4 18.7 - 8.6 = 10.1

As we can see, the differences are increasing by 1.1 in each step. Therefore, we can continue this pattern to find the missing number:

10.1 + 1.1 = 11.2

So, the missing number in the sequence is 11.2.