例计算x的立方 #include <stdio.h> a 2 float cube(float x product L 1.728 i return(x*x*x) maino i float a, product printf("please input value of a scanf(%f", &a) product=cube(a) printf( Cube of %. 4f is %/ 4fn", a, product) C Ch 1.c例 计算x的立方 #include <stdio.h> float cube(float x) { return(x*x*x); } main() { float a, product; printf("Please input value of a:"); scanf("%f",&a); product=cube(a); printf(”Cube of %.4f is %.4f\n",a,product); } x a product ×× ×× 1.2 1.2 1.728