Question

вычислите (1,2 + 0.9) / (0,9 - 0,55)

Answer 1

2.1/(-46)=0.6 , 1.2+0.9=2.1, 0.9-0.55=35, 2.1/35=0.6

Answer 2

(1,2+0,9)=2,1
(0,9-0,55)=0,35
2,1 ,35=6