👤

scrieți ca factor comun :3*2×5+3*2×7

Răspuns :

3²*× 5 + 3²× 7 = 3²× (5 + 7) = 3² × 12 = 3² × 3 × 2² = 3³ × 2² = 27 × 4 = 108

3 × 2 × 5 + 3 × 2 × 7 = 3 × 2 ( 5 + 7 )
= 6 × 12
= 72