Question

efetue as operações e registre os resultados a) 9-5-2 b)1-6-3 c) 6-8-1 d) 4-3-9 e) 9-4-3 f) 7-1-5​

Answer 1

a) 9-5-2 = +2

b)1-6-3 = -8

c) 6-8-1 = -3

d) 4-3-9 = -7

e) 9-4-3 = +2

f) 7-1-5 = 1

Boa tarde.