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determinati cifra a stiind ca 3,4(a) <173 supra 50

Răspuns :

173:50=3,4(6)
a=6
asta e rezolvarea sper ca te-am ajutat
[tex]3,4(a)\ \textless \ \dfrac{173}{50}|_{\cdot 10} \Longrightarrow 34,(a) \ \textless \ \dfrac{173}{5} \Longrightarrow 34,(a) \ \textless \ 34,6|_{-34} \Longrightarrow 0,(a) \ \textless \ 0,6 \Longrightarrow a\ \textless \ 6 \Longrightarrow a\in \{ 1, 2, 3, 4, 5\}[/tex]