### Possible Answer

7 - 4 + (3 x 0) + 1. By the order of operations rule, u do 3 x 0 first and its 0 So 7 - 4 + 0 + 1 And answer is 4 . 2. 0. Comment; Ricky answered 2 years ago. if we're going by basic math, then it'd be 1. but if we're using an algebraic system, then it'd be 4. - read more

In mathematics, 1 − 2 + 3 − 4 + ··· is the infinite series whose terms are the successive positive integers, given alternating signs. Using sigma summation notation the sum of the first m terms of the series can be expressed as - read more

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