Dubemcbombask Dubemcbombask Matematică a fost răspuns 7. Calculati:[tex](1+\frac{1}{2014} )(1+\frac{1}{2015})(1+\frac{1}{2016})(1+\frac{1}{2017})(1+\frac{1}{2018})[/tex] [tex](1-\frac{1}{2015} )(1-\frac{1}{2016})(1-\frac{1}{2017})(1-\frac{1}{2018})(1-\frac{1}{2019})[/tex]
