Find the sum of all even numbers located in a natural row between the numbers 12 and 18.
| August 1, 2021 | education
Natural range between 12 and 18: 12, 13, 14, 15, 16, 17, 18.
Even numbers in this case: 12, 14, 16, 18.
Let’s find the sum of even numbers. We will summarize in a rational way.
12 + 14 + 16 + 18 = (12 + 18) + (14 + 16) = 30 + 30 = 60.
Answer: the sum of even numbers is 60.
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