分析:
输入个人收入--》income
if (,5000)
tax=0*income;
else if [5000,7000)
tax=income*0.1;
else if [7000,9000)
tax=income*0.2;
else if [9000,10000)
tax=income*0.3;
else
tax=income*0.4;
输出tax的值
#include <stdio.h>
int main()
{
float income,tax;
scanf("%f",&income);
if (income<5000)
tax=0;
else if (income<7000) //默认的income>=5000
tax=income*0.1;
else if (income<9000)
tax=income*0.2;
else if (income<10000)
tax=income*0.3;
else
tax=income*0.4;
printf("%.2f\n",tax);
return 0;}
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