Question

Найдите значение выражения1 /5-41/50

Answer 1

$frac{1}{5} - frac{41}{50} = frac{1}{5} - frac{41}{10 times 5} = frac{1 times 10}{5 times 10} - frac{41}{10 times 5} = frac{10 - 41}{50} = - frac{31}{50} = - frac{31 times 2}{50 times 2} = - frac{62}{100} =- 0.62$