6000×年利率×3 = 6599.4-6000解得:年利率 = 3.33%即,小王存款时的年利率是:3.33%
解:设存款时的年利率为x6000x*3+6000=6599.418000x=599.4x=0.0330.033=3.3%答:小王存款时的年利率是3.3%