100-[(3.1,80) + (4.2,50) + (12.2,60) + 3,40 + (5.5,90)]​

Resposta :

100-[(3.1,80) + (4.2,50) + (12.2,60) + 3,40 + (5.5,90)]​

100 - [5,4 + 10 + 31,2 + 3,40 + 29,5]

100 - 79,5

20,5

Resposta:20,5

Explicação passo-a-passo:) ?(MEU PROFESSOR CORRIGIU)?

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