Question

5 87/100+47,9;
Помогите срочно

Answer 1

Ответ:

$\displaystyle5\frac{87}{100}+47,9 = 5\frac{87}{100}+47\frac{9}{10}=52+\frac{87}{100}+\frac{9}{10}=52+\frac{87*1}{100*1}+\frac{9*10}{10*10}=52+\frac{87+90}{100}=52\frac{177}{100}=52+\frac{1*100+77}{100}=53\frac{77}{100}$