Question

79/80-(3/16+39/80) помогите

Answer 1

$ttdisplaystylefrac{79}{80}-(frac{3}{16}+frac{39}{80})=frac{5}{16}$

$1)ttdisplaystylefrac{3}{16}+frac{39}{80}=frac{3*5}{16*5}+frac{39}{80}=frac{15}{80}+frac{39}{80}=frac{54}{80}$

$2)ttdisplaystylefrac{79}{80}-frac{54}{80}=frac{25}{80}=frac{5}{16}$