36÷[3+{2+(4×3-5)}÷(21÷7)]×(8÷4)-10
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Answer:
36÷[3+{2+(4×3-5)}÷(21÷7)]×(8÷4)-10
=36÷[3+{2+(12-5)}÷3]×2-10
=36÷[3+{2+7}÷3]×2-10
=36÷[3+9÷3]×2-10
=36÷[3+3]×2-10
=36÷6×2-10
=6×2-10
=12-10
=2
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