Andreiutza122419 Andreiutza122419 03-09-2019 Matematică a fost răspuns calculeaza:A=2×5/7÷2/7B=(-3/2)÷1/5×4/9C=(-4/3)×(-5/2)÷7/9D=(-4/7)÷(-2/7)×(-1/3)÷2/9E=4/9÷2,5/3×7/10