Question

(0,87+1,83)*5/9 помогите решить

Answer 1

(0,87+1,83)*5/9=2,7*5/9=27/10*5/9=3/2=1,5

Answer 2

(0,87+1,83)*5/9 =2,7• 5/9= 2 7/10 •5/9= 27/10 •5/9 = 3/2=1 1/2= 1,5