Question

Efetue a expressão numerica


A) 2+{-3-15-[5-4-(3+22)]-8

Answer 1

2+{-3-15-[5-4-(3+22)]-8}=

2+{-3-15-[5-4-25]-8}=

2+{-3-15-[-9-25]-8}=

2+{-3-15-(-34)-8}=

2+{-3-15+34-8}=

2+{-18+34-8}=

2+{16-8}=

2+8=

10