Question

Me ajudem por favor

A ) 9+(21-15).2
B) [(5+3)].12] ÷[(5-3),4]
C). 3+5.2-4÷2

Answer 1

A ) 9+(21-15).2 = 9 + 6 . 2 = 9 + 12 = 21

B) [(5+3)].12] ÷[(5-3).4] = [8.12] : [2.4]= 96 : 8 = 12

C). 3+5.2-4÷2 = 3 + 10 - 2 = 11