Question

In cate zerouri se termina nr. : 1 x 2 x3 x4 ..........x 74 x 75

Answer 1

 [tex][\frac{75}{5^1}]=15\;;\;[\frac{75}{5^2}]=3\;;\;[\frac{75}{5^3}]=0\;;\;\;\;(5\;;\;5^2=25\;;\;5^3=125\;;...)\\ \Rightarrow\;1*2*3*...*75 \;se\; va \;termina \;in\;\;15+3+0=18\;zerouri\,![/tex]

Answer 2

[75:5^1]+[75:5^2]+[75:5^3]=15+3+0=18 zerouri
[]=partea intreaga