Question

Вычислите !  6,2/3 * 1,1/5 * 5/8 : 2,1/4 : 1,2/3 : 6,3/4 

Answer 1

6 2/3 * 1 1/5 * 5/8 : 2 1/4 : 1 2/3 : 6 3/4=
=20/3*6/5*5/8:9/4:5/3:27/4=20/3*6/5*5/8*4/9*3/5*4/27=
=4/3*6/1*1/8*4/9*3/1*4/27=4/1*6*1/8*4/9*1*4/27=4*6*1/8*4/9*4/27=
=4*3*1/4*4/9*4/27=4*1*1/4*4/9*4/9=1*1/1*4/9*4/9=4/9*4/9=16/81