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a fost răspuns

Completează seriile:
A) 9000,8300,7600,_____,______,_______,___,
B)1,●●,●●●,1234,123,●●,●;
C)5555,5644,6666,5655,7777,______,______.

Răspuns :

A)6900,6200,5500,4800
A)
9000, 8300, 7600, 6900, 6200, 5500, 4800;

B)
1, 12, 123, 1234, 123, 12, 1;

C)
5555, 5644, 6666, 5655, 7777, 5666, 8888