Question

Помогите!!!!2 задание!!!Отдаю все 35 баллов!!!!!

Answer 1

$0.325 = frac{13}{40 } \ 1) frac{17}{40} - frac{13}{40} = frac{4}{40} = frac{1}{10} \ 2) frac{1}{10} div frac{1}{5} = frac{1 times 5}{10 times 1} = frac{5}{10} = frac{1}{2} \ 3) frac{1}{2} times 0.4 = frac{1}{2} times frac{4}{10} = frac{4}{20} = frac{1}{5} \ 4) frac{1}{5} times 2 = 0.2 times 2 = 0.4$