The expression 7 2 3 2 8 may be evaluated using the usual implicit rules of precedence It could be rewritten as ((7 (2 (3 2 ))) 8) using brackets to make the precedence explicit Similarly rewrite the following expressions in fully bracketed form (a) 21 4 x 3 2 (b) 17 6 (c) 4 x 2 7 6x2 (d) 2 x 3 6 4 3

Question: The expression 7 2 3 2 + 8 may be evaluated using the usual implicit rules of precedence. It could be rewritten as

The expression 7 – 2 × 3² + 8 may be evaluated using the usual implicit rules of precedence. It could be rewritten as ((7 – (2 × (3²))) + 8) using brackets to make the precedence explicit. Similarly rewrite the following expressions in fully bracketed form:
(a) 21+ 4 x 3 + 2 (b) 17-6 (c) 4 x 2 -7 6x2 (d) 2 x 3-6 4+3

(a) 21+ 4 x 3 + 2 (b) 17-6 (c) 4 x 2 -7 6x2 (d) 2 x 3-6 4+3

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