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Read Me. 总时间限制: 1000ms 内存限制: 65536kB 描述 求一个可以带括号的小学算术四则运算表达式的值 输入 一行,一个四则运算表达式。'*'表示乘法,'/'表示除法 输出 一行,该表达式的值,保留小数点后面两位 样例输入 输入样例1: 3.4 输入样例2: 7+8.3 输入样例3: 3+4.5*(7+2)*(3)*((3+4)*(2+3.5)/(4+5))-34*(7-(2+3)) 样例输出 输出样例1: 3.40 输出样例2: 15.30 输出样例3: 454.75 来源http://bailian.openjudge.cn/practice/4132/
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