Question

1/5+{[4/9÷(1/2•2/4-1/9)}

Answer 1

Resposta:

1/5+ [4/9 (1/4 - 1/9 )]} = 1/5 + {[4/9 (9/36 - 4/36 )]}

= 1/5+ [[ 4/95/36 ]} = 1/5+ [[ 4/9 × 36/5 ]}

= 1/5 +16/5

= 17/5