How do I go about solving this? 9. Assume the following rules of associativity and precedence for expressions:PrecedenceHighest*, 7, not+- , &, mod- (unary)=, /=, < , <=, >=, >andLowestor, xorAssociativityLeft to rightShow the order of evaluation of the following expressions by parenthe-sizing all subexpressions and placing a superscript on the right parenthe-sis to indicate order. For example, for the expressiona + b *c + dthe order of evaluation would be represented as( (а +(b * c)')² + d)³а.ab1 + cb. a(b1) / c mod dс.(ab) / с &(d * е / а - 3)d. -aor c = d and eе. а > b хor c or d <3 17f. -a + b

(a * b)1 (Since * has high precedence than other operator present in question so we…

Answered: a. a * b - 1 + c b. a * (b - 1) / c mod…

a. a * b - 1 + c b. a * (b - 1) / c mod d с. (а - b) / с& (d * e /а - 3) d. -a or c = d and e e. a > b xor c or d <= 17 f. -а + b

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

How do I go about solving this?

9. Assume the following rules of associativity and precedence for expressions:
Precedence
Highest
*, 7, not
+
- , &, mod
- (unary)
=, /=, < , <=, >=, >
and
Lowest
or, xor
Associativity
Left to right
Show the order of evaluation of the following expressions by parenthe-
sizing all subexpressions and placing a superscript on the right parenthe-
sis to indicate order. For example, for the expression
a + b *
c + d
the order of evaluation would be represented as
( (а +
(b * c)')² + d)³
а.
a
b
1 + c
b. a
(b
1) / c mod d
с.
(a
b) / с &
(d * е / а - 3)
d. -a
or c = d and e
е. а > b хor c or d <3 17
f. -a + b

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Step 3 c. (a - b) / c & (d * e / a - 3 )

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Step 4 d. -a or c = d and e

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Step 5 e. a > b xor c or d <= 17

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