Question

1) Calcule o valor das expressões:
a) 72-4-(1) =
b) 23 + 10 =
c) 52-6 + (-2) =
d) 42 + 70=
2) Calcule
a) 32 +5+ (-3) =
b) 3 + 52 =
G) 32 + 52 - (-5) =
d) 52-32=​

Answer 1

Resposta:

a) 67

b) 33

c) 44

d) 112

a) 34

b) 55

c) 89

d) 20