Question

Temaa la mate,va rog!! Este exercitiul 3...

Answer 1

Fie tot drumul este 1 atunci drumul ramas este 
$1- \frac{5}{12} - \frac{1}{3} =\frac{12}{12}- \frac{5}{12}- \frac{4}{12}= \frac{12-5-4}{12}= \frac{3}{12}= \frac{1}{4}$

Answer 2

5/12 din x+1/3 din x +x
5x/2+x/3+x
15x/6+2x/6+x
17x/6+x
17x/6+x/1
17x/6+6x/6=23x/6