Problem:
In some computer languages (such as APL), when there are no parentheses in an algebraic expression, the operations are grouped from right to left. Thus, in such languages means the same as in ordinary algebraic notation. If is evaluated in such a language, the result in ordinary algebraic notation would be
Answer Choices:
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B.
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E.
Solution:
Going from right to left, we first add to , obtaining . Then we subtract this result from , obtaining . Finally, we divide by this last expression, obtaining .