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Descopera regula si scrie urmatoarele doua numere din fiecare sir
a)505,2020,8080,.........
c)4400,2200,1100........
e)1m 25 cm,2m,2m 75 cm.......
b)505,1010,1515,.......
d)4400,4040,3680,....
f)4t,2t,1t,...
Va rog raspundeti repede si corect dau coroana va rooogggg