Have you _____ entered a composition? [ ]
A. ever
B. already
C. never
答案:A
张晶在银行存了30000元人民币,定期五年,年利率是2.88%.到期时交纳利息所得税20%后,银行应付给张晶本金和利息一共多少元?(选作)
计算下列各圆的面积.
(1)半径是8CM.
(2)周长是9.42米.