Answer
$22$
Work Step by Step
Using the order of operations, the given expression, $
3+24\div2^2\cdot3-(6-7)
,$ simplifies to
\begin{array}{l}\require{cancel}
3+24\div2^2\cdot3-(6-7)
\\\\=
3+24\div2^2\cdot3-(-1)
\\\\=
3+24\div2^2\cdot3+1
\\\\=
3+24\div4\cdot3+1
\\\\=
3+6\cdot3+1
\\\\=
3+18+1
\\\\=
21+1
\\\\=
22
.\end{array}
