care este suma nr impare de la 1 la 11?
alexmiarezu:
dau coroana
cerere de prietenie
SCUZE, e 2 la puterea 458+2 la puterea 455
fara cuvinte, exlicatie usoara, pt clasa a 5-a
repede!
acum am matematica, si am uitat sa fac exercitiul asta
repede
repede!!!!!!!!!!!!!!!!!!!!!!1111111111
UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUURRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEENNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
scuze, am gresit problema.cea corecta este cea pusa acum de mine.jur!
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Răspuns:
1+3+5+7+9+11=
(11-1)÷2+1=6 nr de termeni
[(1+11)×6]÷2=12×6÷2=72÷2=36
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