Question

50 баллов!!!!!!!!!!!!!!!!!!!!!!!!! пж помогите​

Answer 1

742

$1) \: 3 \frac{3}{7} = \frac{24}{7} \times 3.5 = 12$

$2 \frac{1}{3} = \frac{7}{3} = 4.9 \div \frac{7}{3} = \frac{21}{10} = 2.1$