Simplify the following:
40 + [20 – {28 ÷ 7 – 3 + (30 – 5 of 4)}]
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Step-by-step explanation:
40+[20-{28÷7-3+(30-5×4)}]
=40+[20-{28÷7-3(30-20)}]
=40+[20-{28÷7-3+10}]
=40+[20-(4-3+10)]
=40+{20-(14-3)}
=40+(20-11)
=40+9
=49
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