• 2022-06-07
    有一个分段函数,当x大于0时,y的值是1;当x为0时,y的值是0;当x
    A: if(x >= 0)if(x > 0) y = 1;else y = 0;else y = -1;
    B: if(x > 0) y = 1;else if(x == 0) y = 0;else y = -1;
    C: y = 0;if(x > 0) y = 1;else if(x
    D: y = 0; if(x >= 0); if(x > 0) y = 1; else y = -1;