What should come in place of the question mark (?) in the following questions?
683.46-227.39-341.85=?
$$3\frac{2}{3}+2\frac{3}{4}+1\frac{1}{2}$$=?
$$\sqrt{?}-5=\sqrt{2209}$$
14.5% of 608=?
$$840\div40\div0.5?$$
What approximate value should come in place of the question mark (?) in the following questions? You are not expected to calculate the exact value.
$$750.0003\div19.999=?$$
6888.009-487.999-87.898=?
$$(9.5)^{2}$$=?
$$19.003\times22.998-280.010=?$$
$$5454\div54\div5=?$$