Question

1\5+{[4\9+(1\2.2\4-1\9)]}

Answer 1

Bom dia Samira

1/5 + (( 4/9 + (1/2*2/4 - 1/9)))

1/5 + (( 4/9 + (1/4 - 1/9)))
1/5 + (( 4/9 + (9/36 - 4/36)))
1/5 + ( 4/9 + 5/36 )
1/5 + ( 16/36 + 5/36 )
36/180 + 80/180 + 25/180 = 141/180 = 47/60