Question

3/5*7/9-3/5*(7/9-5/6)

Answer 1

3/5*7/9-3/5(7/9-5/6)=3/5*7/9-3/5*7/9+3/5*5/6=
3/5*5/6=18/25

Answer 2

=(0,6-0,7)-0,6*(0,7-0,08)=0,42-0,6*0,62=0,42-0,372=0,048