Question

1 - (1/2) ² X (1/5 +2/25:1/5)

Answer 1

Resposta:

17/20

Explicação passo-a-passo:

1 − (12 )2 ⋅ (15+(25⋅5)⋅5 )=  

= 1 − (12 )2 ⋅ (15+25) =

= 1 − (12 )2⋅ (1+25) =

= 1 − (12) 2⋅ (35) =

= 1 − 14 ⋅ 35 =

= 1 − 320 =

= 20 − 320 =

= 17/20