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a fost răspuns

descopera regula si afla urmatorul nr. din fiecare sir: a) 8,16,32,64,128,...

b) 512,256,128,64,...

c) 3 ,27,81,...

d) 818,709,600,491,...

e)13,130,247,364,...


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Răspuns :

Pgabrielacasand
a) 8,16,32,64,128,256(dublezi)b) 512,256,128,64,.32..(injumatatezi)

c) 3 ,27,81,..729(*9,*3,*9)

d) 818,709,600,491,.382..(-109)

e)13,130,247,364, 3640(*10,+117,+117,*10)...
Ciobanualiona
a)256
b)32
c)165
d)382
e)3640