Question

a) +3 + {+9 - 5 - (+4 - 2).(-3)}
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Answer 1

a) +3 + {+9 - 5 - (+4 - 2).(-3)}

+3 + {+9 - 5 - (+2).(-3)}

+3 + {+9 - 5 - (-6)}

+3 + {+9 - 5 + 6}

+3 + 10

+13