Anazl140rans Anazl140rans Matematik Answered 8. SINIF USLU İFADELER COK ACIL[tex]\left. \begin{array} { l } { 5 ^ {a} = 4 }\\ { 5 ^ {b} = 64 }\\ { c = \frac{a + 6 b}{a - b} } \end{array} \right.[/tex]