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What is the sum of all positive two-digit odd integers?
You can use the formula for an arithmetic series for that.
What is meant by arithmetic sum?
That refers to the sum of an arithmetic series.
What is the sum of the multiples of 4 up to 200?
If you don't want to add them one by one, you can use the formula for the sum of an arithmetic series.
What is the formula of finding the sum of a series of even numbers?
You didn't say the series (I prefer to use the word sequence) of even numbers are consecutive even numbers, or even more generally an arithmetic sequence. If we are not given any information about the sequence other than that each member happens to be even, there is no formula for that other than the fact that you can factor out the 2 from each member and add up the halves, then multiply by 2: 2a + 2b + 2c = 2(a + b + c). If the even numbers are an arithmetic sequence, you can use the formula for the sum of an arithmetic sequence. Similarly if they are a geometric sequence.
Arithmetic rules for evaluating expressions and equations?
formula expression
