Question

Только пример а)
Пазязязяз

Answer 1

(7-19/4)*4/3+(6-22/5)/4/3

(28/4-19/4)*4/3+(30/5-22/5)/4/3

9/4*4/3+8/5 / 4/3

36/12+24/20

180/60+72/60=252/60=84/20=21/5=4 * 1/5