Найдите произведение 7/15 * 10/21; 3 3/5 * 5/6; 1 7/8 * 1 23/25 * 10; (3/5)3

Question

Найдите произведение 7/15 * 10/21; 3 3/5 * 5/6; 1 7/8 * 1 23/25 * 10; (3/5)3

Answer 1

1) 7/15 * 10/21 = 1/3 * 2/3= 2/9

2)  18/5* 5/6= 3/1 * 1/1=3

3) 15/8 * 48/25 * 10 = 3/1 * 6/5  *10= 18/5 *10 = 18*2=36
 
4)3/5 * 3=9/5