View Compilation Error

0_0_39294788_23833\Main.java:13: 错误: 非法字符: '\uff08'
return f（num-1)+f(num-2);
        ^
0_0_39294788_23833\Main.java:13: 错误: 不是语句
return f（num-1)+f(num-2);
            ^
0_0_39294788_23833\Main.java:13: 错误: 需要';'
return f（num-1)+f(num-2);
              ^
3 个错误