Question

resolva pra mim essas contas : a)+(+24)-(+31)=.

Answer 1

a)

$\boxed{+(+24)-(+31)= }\\ + 24 - 31 = \\ \red{ - 7}$

•Temos por regra de sinais que :

• sinais iguais = +

(+)+ = +

(–)– = +

• sinais diferentes = –

(–)+ = –

(+)– = –

$\red{ QUESTÕES \: SIMILARES}$

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