45 + 3{34 -18 - 14} ÷ 3 [17+ 3 × 4 - (2 × 7)]
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Answer:
45 + 3{34 -18 - 14} ÷ 3 [17+ 3 × 4 - (2 × 7)]
=> 45+3(2)÷3(17+12-14)
=> 45+6÷3(15)
=> 45+6/45
=> (2025+6)/45
=> 2031/45
=> 677/15
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