# include≤ stdio h> int maino dfloat a,b, tr scanf( %/of, %of, &a, &b) f(a>b)如果a>b。选择结构,用语句实现 [t=a; asb 将a和b的值互换 bst printf( o/o5.2f, %/05.2f\n"a,b)i return o 3.6.-3.2 3.28.3.68#include <stdio.h> int main() { float a,b,t; scanf("%f,%f",&a,&b); if(a>b) { t=a; a=b; b=t; } printf("%5.2f,%5.2f\n",a,b); return 0; } 将a和b的值互换 如果a>b。选择结构，用if语句实现