Question

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

Answer 1

Решение:
7/15*10/21=70/315=2/9
1 7/8*1 23/25*10=15/8*48/25*10=7200/200=36
3 3/5*5/6=18/5*5/6=90/30=3
3/5=0,6