What will come in place of the question mark (?) in following equations ?
$$\frac{3}{8}of\frac{4}{7}of\frac{7}{9}of738=?$$
$$3\frac{3}{2}\times\frac{8}{45}+1\frac{2}{3}\times\frac{2}{15}=?$$
What approximate value will come in place of the question mark (?) in following equations ?
$$2375.85 \div 18.01 - 4.525 \times 8.05 = ?$$