Question

сравнить дроби по алгебре

Answer 1

$frac{4}{21} = frac{12}{21*3} = frac{12}{63} \ \ frac{3}{17} = frac{12}{17*4} = frac{12}{68} \ \ frac{12}{63} textgreater frac{12}{68} = textgreater frac{4}{21} textgreater frac{3}{17}$

Answer 2

=> — знак "следовательно"