1. Encontre o valor de cada expressão numérica.

a) 174 + 64 × 3 - 89

3 3
b) 3 + 2 - 3 × 2

c) 378 - 52. V400 : V25

d) 900 - 4.2. (3 + 5)

4 5 3 2
e) 2 + [2. (2 - 2) ]

f) 1440 : 30. [20 + (49 - 35). 2]

2
g) (144 : 11 - 16). (15 - 4 )

3 2 1 0
h)8 + (- 5) + 4 + 4 + 5​
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