140 ÷[(-11)×(-3)-(-42)÷14-1]
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Answer:
140 ÷ [( – 11) × ( – 3) – ( – 42) ÷ 14 – 1]
= 140 ÷ [33 – ( – 42) ÷ 14 – 1]
= 140 ÷ [33 + 42 ÷ 14 – 1]
= 140 ÷ [33 + 3 – 1]
= 140 ÷ [36 – 1]
= 140 ÷ 35
= 4
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