Question

3．王文买了3年期年利率为7.11%的国家建设债券，到期时获得本息一共2426.6元。王文的本金是多少元？

需要这题的答案谢谢各位，急！！！

Answer 1

2426.6/(1+0.0711*3)=2000(元）
以我这个数学尖子生来说，应该没错，这刚好我们初一又碰到过。

Answer 2

解：设王文的本金为X元。
X+X乘以7.11%=3426.6
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剩下的自己算！

Answer 3

^2426.6/(1+0.0711*3)=2000(元）

Answer 4

2426.6/(1+0.0711)^3=1974.73