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2 years ago

9

Determine o valor das seguintes expressões.

1 answer:

Alisiya [41]2 years ago

6 0

a). (17º-17'-17") = 17<span><span>º + 17'/60 + 17"/3600 = </span>17.288055...</span><span>º

</span>17.288055...º / 4 = 4.322...º = <em>4</em><span><em>º - 19' - 19.25" </em><em /></span><span><== <span>a resposta</span>

b) (18º: 8 + 23º: 4 - 8º)

18</span><span>º / 8 = 2.25</span><span>º
23</span><span><span>º / 4 = </span> 5.75</span><span>º

(2.25</span><span>º + 5.75</span><span><span>º </span>- 8º) = <em>0</em></span> <== a resposta

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