What value should come in the place of question mark (?) in the following questions?
3.3+13.33+31.13+13.31+1.3=?
$$(16)^{2}+(21)^{2}-(13)^{2}+?=(25)^{2}$$
$$47+345\div15\times2$$=?
73% of 5800 - 69% of 240 = ?
$$(\frac{17}{119}\times\frac{98}{14})^{2}$$=?
$$3.2\times2.1\times1.6$$=?
$$\frac{7}{4}of\frac{2}{28}of\frac{8}{9}of567$$=?
$$65\times15\div?=195$$
204%of?=1848.24
9786-4321+5053=?-3727