20. Si 0.0000000000 R < 0.2068181818 , entonces x= 1 Si 0.2068181818 R < 0.4045454545 , entonces x= 2 Si 0.4045454545 R < 0.5102272727 , entonces x= 3 Si 0.5102272727 R < 0.5909090909 , entonces x= 4 Si 0.5909090909 R < 0.6875000000 , entonces x= 5 Si 0.6875000000 R < 0.7079545455 , entonces x= 6 Si 0.7079545455 R < 0.7272727273 , entonces x= 7 Si 0.7272727273 R < 0.7500000000 , entonces x= 8 Si 0.7500000000 R < 0.7590909091 , entonces x= 9 Si 0.7590909091 R < 0.8522727273 , entonces x= 10 Si 0.8522727273 R < 0.8636363636 , entonces x= 11 Si 0.8636363636 R < 0.8784090909 , entonces x= 12 Si 0.8784090909 R < 0.8875000000 , entonces x= 13 Si 0.8875000000 R < 0.8920454545 , entonces x= 14 Si 0.8920454545 R < 0.9170454545 , entonces x= 15 Si 0.9170454545 R < 0.9204545455 , entonces x= 16 Si 0.9204545455 R < 0.9250000000 , entonces x= 17 Si 0.9250000000 R < 0.9306818182 , entonces x= 18 Si 0.9306818182 R < 0.9318181818 , entonces x= 19 Si 0.9318181818 R < 0.9693181818 , entonces x= 20 Si 0.9693181818 R < 0.9715909091 , entonces x= 21 Si 0.9715909091 R < 0.9795454545 , entonces x= 22 Si 0.9795454545 R < 0.9806818182 , entonces x= 23 Si 0.9806818182 R < 0.9886363636 , entonces x= 25 Si 0.9886363636 R < 0.9909090909 , entonces x= 26 Si 0.9909090909 R < 0.9988636364 , entonces x= 30 Si 0.9988636364 R < 1.0000000000 , entonces x= 40