Question

пж помогите!!! 30 баллов!!!​

Answer 1

17 $frac{20}{19}$ - 16 $frac{5}{19}$ = 1 $frac{15}{19}$

Answer 2

17 20/19 - 16 5/19 = 1 15/19

Answer 3

18 1/19=343/19

16 5/19=309/19

343/19-309/19=34/19=1 15/19