Răspuns :
x/10=8/5
x=8/5 × 10/1
x=8×2 totul supra/1×1
x=16/1
x=16
Probă
16/10=1,6
8/5=1,6 } adevarat
16/10=8/5 (adevarat )
x=8/5 × 10/1
x=8×2 totul supra/1×1
x=16/1
x=16
Probă
16/10=1,6
8/5=1,6 } adevarat
16/10=8/5 (adevarat )