(1/5*3/4)*2/3 , 2/9*(3/10*7/8)

Question

(1/5*3/4)*2/3 , 2/9*(3/10*7/8)

Answer 1

=3/20*2/3=1/10
=2/9*21/80=7/40

Comments

второй вариант ошибся.7/120 будет

Answer 2

1) (0,2*0,75)*2/3=0,15*2/3
0,15*2/3=0,1