(15×4)÷6[{32÷4(7×2-15+5)}+3]
=60÷6[{32÷4(14-15+5)}+3]
=60÷6[{32÷4(19-15)}+3]
=60÷6[{32÷4(4)}+3]
=60÷6[{32÷16}+3]
=60÷6[{2}+3]
=60÷6[5]
=60÷30
=2
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