І. Обчислити:
1.4. [tex]\frac{log_{5}2 + log_{5}8}{log_{5}80 - log_{5}20}[/tex]
1.5. 0,125(1+8[tex]^{log_{2}5 }[/tex])[tex]^{logx_{126}2 }[/tex]
1.4. [tex]\frac{log_{5}2 + log_{5}8}{log_{5}80 - log_{5}20}[/tex]
1.5. 0,125(1+8[tex]^{log_{2}5 }[/tex])[tex]^{logx_{126}2 }[/tex]
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