Question

Найдите произведения дробей
3/8 x 2/9
13/40 x 20/39
7/15 x 3/14

Answer 1

3/8 x 2/9=1/8*2/3=1/4*1/3=1/12
13/40 x 20/39=1/40*20/3=1/2*1/3=1/6
7/15 x 3/14=1/15*3/2=1/5*1/2=1/10

Answer 2

Cпасибо