Question

( 2,04 - 1 целая 1/4):1/20=

 

1 целая 1/4(одна четвертая)-дробь

1/20-одна двадцатая,дробь

Answer 1

(204/100-5/4)/1/20= (204/100-125/100)/ 1/20 = (79/100) *(20/1)=  79/5 = 15.8