Question

2 întregi 2 supra 5 - 1,(3)-0,75

Answer 1

2 2/5 - 1,(3) - 0,75 =

= (2×5+2)/5 - (13 - 1)/9- 75/100 =

= 12/5 - 12/9 - 15/20 =

= 12/5 - 4/3 - 3/4 =

= (12×12)/60 - (4×20)/60 - (3×15)/60 =

= 144/60 - 80/60 - 45/60 =

= 19/60 =

= 0,31(6)