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intrebare.1.2.*3.... .50. cate zerouri are?

*.=ori x





Răspuns :

 in 5 , 5 intra 1 , in 10 - 5 intra 1, in 15 5 intra 1, in 20 5 intra 1 , in 25 5 intra de 2 ori in 30 5 intra 1, in 35, 5 intra 1 in 40, 5 intra 1 , in 45, 5 intra 1 si in 50, 5 intra odata 
... 1+1+1+1+2+1+1+1+1 = 11 zerouri