[tex]b)1 \frac{7}{8} \times \frac{4}{9} \div 8 \frac{1}{3} = [/tex]
[tex]c)3 \frac{3}{8} \div 1 \frac{1}{4} \div \frac{3}{5} = [/tex]
dau coroana va rog ajutor​