Question

Номер 596 помогите пож!!!

Answer 1

4/15 * 2=8/15         4/15:2= 4/15 * 1/2 = 2/15
4/15 * 3=4/5           4/15 : 3 = 4/15 * 1/3 = 4/45
10/21 * 7 = 10/3 = 3 1/3          10/21 : 7 = 10/21 * 1/7 = 10/147