Question

Utilizand propietatea fundamentala a proportiilor ,verificati daca urmatoarele egalitatii de rapoarte sunt proportii ;
a)3 /4=6 /8;
b)5/2=15/ 6 ;
c)4/3 *1/2 +2 /3 *2(totul supra 2/3*1/2=2 /3 +4 /3(totul supra 1/3
va rog ajutatima urgent

Answer 1

a)3×8=4×6 24=24 (A) b)5×6=2×15 30=30 (A) c)4/6+2/3*2/(2/6)=2/3+4/3*3/1 4/6+2/3*2*6/2=2/3+4 4/6+4=2/3+4 .... -4 4/6=2/3 4×3=2×6 12=12 (A)