例如:“x=3+8”、“x=6-3”或x=“6-3*9”。接下来,我通过循环数组来查找方程的变量,这应该会给出它找到的第一个字母字符:for (int i = 0; i < userInput.Length; i++) if (Char.IsLetter(c)){ break;}
下一步,我将用变量一端和另一端的所有数字和运算符来分解方程
Wawrinka</title>
<description>Defending champion Roger Federer cruises past Stanislas Wawrinka 6-1 6-3 6-3 to take his place in the Australian Open semi-finals.