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nequal
"相关结果约100,000,000个
btnMinus,btnTimes,btnDivided,btnEqual,btnPoint,btnC,btnCE,btnSqrt,btnPlusMinus;int z;double x,y;StringBuffer str;public Calculator(){super("计算器");this.setSize(311,231);this.setLocation(300,300);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setLayout(new GridLayout(...