Question

Calcule o valor das seguintes expressões:
a)80-[15+(27-3+8):4]

b)20:5+[30-(3×7+1)]

Obrigada!!Bjs♡

Answer 1

a) 80-[15+(24+8):4]
80-[15+32:4]
80-[15+8]
80-23= 57
b) 20:5+[30-(21+1)]
4 + [30-22]
4 + 8= 12