Simplify
 (i)â€Å
+7 + 1 - 3 + 4 -2 - 5 + 7 - 2 + 1 -6 + 5(ii)+2 - 3 + 2 -5 + 1 - 3 + 8 - 4 + 3
Solution:
i) $+7 + 1 - 3 + 4 -2 - 5 + 7 - 2 + 1 -6 + 5$
Using BODMAS rule
=$7 + 1 + 7 + 4 + 1 + 5 - 3 -2 -5 -2 -6$
= $25 - 18 $
=7
ii)$+2 - 3 + 2 -5 + 1 - 3 + 8 - 4 + 3$
Using BODMAS rule
= $+ 2 + 2 + 1 + 8 + 3 - 3 - 5 - 3 - 4$
= $16 - 15$
= 1
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