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public void (){ BigDecimal a = new BigDecimal("4.5"); BigDecimal b = new BigDecimal("1.51");
System.out.println("a + b =" + a.add(b)); System.out.println("a - b =" + a.subtract(b)); System.out.println("a * b =" + a.multiply(b)); System.out.println("a / b =" + a.divide(b,2,ROUND_HALF_UP));
}
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