Question

2.(8 )-1.8=?
calculați va rog

Answer 1

[tex] \boxed{\boxed{\boxed{Tema}}} \alpha.\underline{Rezolvare} \underline{Metoda~I} 2,(8) = \dfrac{28 - 2}{9} = \dfrac{26}{9} 1,8 = \dfrac{1,8}{1} !!!~Aducem~la~acelasi~numitor~!!! \dfrac{26}{9} - \dfrac{1,8}{1} ^{9)}} = \dfrac{26}{9} - \dfrac{16,2}{9} = \dfrac{26,0}{9} - \dfrac{16,2}{9} = \dfrac{9,8}{9} = \boxed{\boxed{1,0(8)}} \underline{Metoda~II} 2,8888 - 1,8000 = 1,0888 = \boxed{\boxed{1,0(8)}} [/tex]