Question

Cómo se ase la siguiente operación (5/4 ÷ 25/20) ×4/5 + 1/5

Answer 1

(5×20)/(4×25)×4/5+1/5
100/100×4/5+1/5
4/5+1/5
5/5=1
rpta=1

Answer 2

(5/4 : 25/20) . 4/5 + 1/5 =
5.20/4.25 . 4/5 + 1/5 =
100/100 . 4/5 + 1/5 =
100.4/100.5 + 1/5 =
400/500 + 1/5 =
500:500.400+500:5.1/500=
400+100/500=
500/500= 1/1=1