(8 +9 +{5+(19-4)÷3}+4)-12
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Answered by
5
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Answered by
5
Step-by-step explanation:
(8 +9 +{5+(19-4)÷3}+4)-12
=17+{5+(15)÷3}+4)-12
=17+(5+5)+4)-12
=17+10+4-12
=19
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