Question

5) Sejam a = | - 8 |, b = -6 e c = | 5 | calcule:

a) a + b =

b) b . c =

c) c - a =

d) a . b + c =

e) b - a . c =

f) b² =

g) | b - c | =

h) | a - b | =
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Answer 1

letra a) resposta ok acho