发布时间:2014-11-26 23:37:20
#include <stdio.h>int main(){ //定义两个变量 float factor_1, factor_2; //结果 double result; //运算符 char operation; //输入 number1 符号 number2 scanf("%f%c%f",&factor_1, &operation, &factor_2); if(operation == '+') { &.........【阅读全文】
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