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@hyuki0000
Created August 25, 2017 14:56
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まちがった約分なのに、なぜか正しくなる分数
(1..9).each do |a|
(1..9).each do |b|
(1..9).each do |c|
x = (10 * a + b).to_r
y = (10 * b + c).to_r
# puts "a = #{a}, b = #{b}, c = #{c}, x = #{x}, y = #{y}"
if a != c and x / y == a.to_r / c.to_r
puts "\\frac{#{x.to_i}}{#{y.to_i}} = \\frac{#{a}}{#{c}}, "
end
end
end
end
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