Question

calcule a)0,1+0,00.1+0,0001-1 b) 9 :[9 (9 .)]​

Answer 1

Resposta:

a) = 0,8989    b) 1/9

Explicação passo-a-passo:

a)0,1+0,00.1+0,0001-1 => 0,1011 - 1 = 0,8989

b) 9 :[9 (9 .)]​ => 9 :[81]​ => $\frac{9}{81} => \frac{9:9}{81:9} => \frac{1}{9}$