Question

exercițiul 3 urgent vă rog ​

Answer 1

Răspuns:

3/4km= 0,75km

71/2km=15/2km= 7,5km

0,75km.....1zi

7,5km.......x

x=10zile

Explicație pas cu pas:

Answer 2

Răspuns:

$7\frac{1}{2} =\frac{7*2+1}{2} =\frac{15}{2} \\\\\frac{15}{2} :\frac{3}{4} =\frac{15}{2} *\frac{4}{3} =5*2=10. zile$