明解Ｃ言語 入門編 > 2. 演算と型 > 整数と浮動小数点数 Ruby nx = 9.99 dx = 9.99 print " int 型変数nxの値：", nx.to_i, "\n" print " nx / 2：", nx.to_i / 2, "\n" print "double型変数dxの値：", dx, "\n" print " dx/2.0：", dx / 2, "\n" 実行結果 L…