Question

calcule as somas algébricas
f) 6+1-12+4-1

Answer 1

= 6 + 1 - 12 + 4 - 1
= 6 + 1 + 4 - 12 - 1
= 11 - 13
= - 2

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= 6 + 1 - 12 + 4 - 1
= 7 - 8 - 1
= 7 - 9
= - 2