Question

a) 2 + 5 +[7-(3-1)
b) [2 + (5+7) - 3] - 1
c) 2+[5+ (7-3) - 1]​

Answer 1

Resposta:

a)2+5+[7-(3-1)]

2+5+[7-2]

2+5+5=12

b)[2+(5+7)-3]-1

[2+12-3]-1

11-1=10