Question

45+{42-[18+(25×6)-12]}​

Answer 1

45 + {42 - [18 + (25 x 6) - 12]}​

45 + {42 - [18 + 150 - 12]}​

45 + {42 - [168 - 12]}​

45 + {42 - 156}​

45 + {- 114}​

45 - 114

- 69

Answer 2

Explicação passo-a-passo:

45+{42-[18+(25×6)-12]}=

45+{42-[18+(150)-12]}=

45+{42-[18+138]}=

45+{42-[156]}=

45+{-114}=

-69

Espero ter ajudado ❤.