Question

1 целая 3/7*2 целых 4/5*3/4

Answer 1

=10/7*14/4*3/4= сокращаем 5 и 10, сокращаем 7 и 14=3

Answer 2

10/7*14/5*3/4=10/1*2/5*3/4=10/1*1/5*3/2=30/10=3