21 x 3 / 7 = ?

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SCIENCE QUESTION #17228

21 x 3 / 7 = ?

9

Explanation

Elementary arithmetic includes the operations of addition, subtraction, multiplication, and division. It starts with the natural numbers and the written digits which represent them. The process for combining a pair of these numbers with the four basic operations traditionally relies on memorized results for small values of numbers, including the contents of a multiplication table to assist with multiplication and division. Elementary arithmetic also includes fractions and negative numbers, which can be represented on a number line.

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Answer time 0s (0s). 58% have previously answered correct on this question. The question was created 2014-02-04.

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