Question

-18 + { 52 + 3 . [ 24 - 4. ( 20 – 19 ) ] - 9 }

Answer 1

Resposta:

-18+{52+3×[24-4×(20–19)]-9}

-18+{52+3×[24-4×1]-9}

-18+{52+3×[24-4]-9}

-18+{52+3×20-9}

-18+{52+60-9}

-18+{112-9}

-18+103

85