(3+5)*4=32
(3+5)*4-2=30
3+(5*(4-2))=13
5-4*1=1
(5+4)*1=9
(3+5)*4
?
(3+5)*4-2
3+5*(4-2)
(5-4)*1
(5+4)*1
(3+5)*4=32
(3+5)*4-2=30
3+(5*(4-2))=13
5-4*1=1
(5+4)*1=9
(3+5)*4
?
(3+5)*4-2
3+5*(4-2)
(5-4)*1
(5+4)*1