1,6×8,2+0,38 = (16/10)*(82/10)+38/100=(8/5)*(41/5)+19/50=328/25+19/50=656/50+19/50=675/50=135/10=13,5.
1,6×8,2+0,38 = (16/10)*(82/10)+38/100=(8/5)*(41/5)+19/50=328/25+19/50=656/50+19/50=675/50=135/10=13,5.