7. Write the missing numbers: 1) 2, 4, 6, 8, ..., 20; 2) 3, 6, 9, ..., 30.

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ФИО:Телефон:Емаил:Полное описание сути нарушения прав (почему распространение данной информации запрещено Правообладателем):

Accepted Answer

Logic: These are arithmetic progressions where the common difference needs to be identified to find the missing terms.

Part 1: Find the missing numbers in the sequence 2, 4, 6, 8, ..., 20.
Observe the pattern: each number is obtained by adding 2 to the previous one (common difference = 2).
The sequence is: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.
Part 2: Find the missing numbers in the sequence 3, 6, 9, ..., 30.
Observe the pattern: each number is obtained by adding 3 to the previous one (common difference = 3).
The sequence is: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30.

Answer: 1) 10, 12, 14, 16, 18; 2) 12, 15, 18, 21, 24, 27