51‐15÷{3×(‐2‐4+11)}+9
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Answer:
51 - 15 ÷ {3(-2-4+11)}+9
= 36 ÷ {3(11-6)}+9
= 36 ÷{15+9}
= 36 ÷ 24
= 3/2
= 1.5
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