• 2022-06-01
    请⽤define运算,定义⼀个过程实现计算,其正确定义的过程为(  )。 
    A: (define cube a (* a a a))
    B: (define (cube x) (* x x x))
    C: (define (cube a (* a a a)))
    D: (define (cube a) (* x x x)))