Question

me ajude por favor
16-[3+(4.2-5)]

Answer 1

Resposta:

10

16-I3+(4.2-5)

16-I3+(8-5)

16-3+(3)

16-3+3

16-6

=10

Explicação passo a passo:

Answer 2

$\large\boxed{\begin{array}{l}\sf Em\,uma\,express\tilde ao\,num\acute erica\,resolvemos:\\\sf 1^a\,pot\hat encias\,e\,ra\acute izes\,na\,ordem\,que\,vier\\\sf 2^a\,multiplicac_{\!\!,}\tilde ao\,e\,divis\tilde ao\,na\,ordem\,que\,vier\\\sf 3^a\,adic_{\!\!,}\tilde ao\,e\,subtrac_{\!\!,}\tilde ao\,na\,ordem\,que\,vier.\\\sf Al\acute em\,disso\,elimina-se:\\\sf 1^o\,\bigg(\bigg)\\\\\sf 2^o\bigg[~~\bigg]\\\\\sf 3^o\bigg\{~\bigg\}\end{array}}$

$\Large\boxed{\begin{array}{l}\sf 16-[3+(4\cdot2-5)]\\\sf vamos\,resolver\,os\,par\hat en teses:\\\sf 16-[3+(8-5)]\\\sf 16-[3+3]\\\sf vamos\,resolver\,colchetes:\\\sf 16-[6]\\\sf 16-6=10\checkmark\end{array}}$