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jessicaraul2012
@jessicaraul2012
October 2020
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Insira 5 meios aritméticos entre 12 e 54...
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AntoniLAD
Verified answer
A1=12
an=54
n=7
r=?
an=a1+(n-1).r
54=12+(7-1).r
54=12+6r
54-12=6r
r=42/6
r=7
(12,19,26,33,40,47,54..)
3 votes
Thanks 7
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Resumo sobre Cruzadas ? por favor :)
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Verified answer
A1=12an=54
n=7
r=?
an=a1+(n-1).r
54=12+(7-1).r
54=12+6r
54-12=6r
r=42/6
r=7
(12,19,26,33,40,47,54..)