张玉把自己的压岁钱3000元存入银行，定期3年，年利率是2.52%。到期时本金和利息一共应得多少？
\u5f20\u7389\u628a\u81ea\u5df1\u7684\u538b\u5c81\u94b13000\u5143\u5b58\u5165\u94f6\u884c,\u5b9a\u671f3\u5e74,\u5e74\u5229\u7387\u662f2.52%.\u5230\u671f\u662f\u672c\u91d1\u548c\u5229\u606f\u4e00\u5171\u5e94\u5f97\u591a\u5c11\uff1f\u89e3\uff1a\u2235\u672c\u606f\u662f\u672c\u91d1\u548c\u5229\u606f\u3002\u672c\u91d1\u52a0\u5229\u606f\u3002
\u2235\u5b9a\u671f\u4e09\u5e74
\u2234\u5b58\u4e863\u5e74
\u2235P\u2014\u2014\u672c\u91d1\uff0c\u53c8\u79f0\u671f\u521d\u91d1\u989d\u6216\u73b0\u503c\uff1b
i\u2014\u2014\u5229\u7387\uff0c\u6307\u5229\u606f\u4e0e\u672c\u91d1\u4e4b\u6bd4\uff1b
I\u2014\u2014\u5229\u606f\uff1b
F\u2014\u2014 \u672c\u91d1\u4e0e\u5229\u606f\u4e4b\u548c\uff0c\u53c8\u79f0\u672c\u5229\u548c\u6216\u7ec8\u503c\uff1b
n\u2014\u2014\u8ba1\u7b97\u5229\u606f\u7684\u671f\u6570\u3002
\u5229\u606f = \u672c\u91d1 * \u5229\u7387 * \u8ba1\u606f\u671f\u6570
I = P * i * n
\u2234\u5229\u606f = 3000 * 2.52% * 3 = 226.8\u5143
\u2235\u5355\u5229\u7ec8\u503c = \u672c\u91d1 + \u5229\u606f
\u2234\u672c\u5229\u548c = 3000 + 226.8 = 3226.8\u5143
\u7b54\uff1a\u5230\u671f\u662f\u672c\u91d1\u548c\u5229\u606f\u4e00\u5171\u5e94\u5f973226.8\u5143
\u4e0d\u77e5\u9053\u4f60\u8bf4\u7684\u5229\u606f\u7a0e\u662f\u591a\u5c11\uff1f\u4ee5\u524d\u662f20\uff05\uff0c\u540e\u6765\u6539\u4e3a5\uff05\uff0c\u5230\u73b0\u5728\u5df2\u7ecf\u6ca1\u6709\u5229\u606f\u7a0e\u4e86\u3002
800\uff0a2.52\uff05\uff0a3\uff1d60.48\uff05\uff0c\u5982\u679c\u670920\uff05\u7684\u5229\u606f\u7a0e\uff0c\u90a3\u4e48\u5229\u606f60.48\uff05\uff0a\uff081\uff0d20\uff05\uff09\uff1d48.384\u5143\u3002
3600多、三个数字直接乘
3300多
利息能得226.8加上本金一共3226.8
绛旓細绛旓細鍒版湡鏄湰閲戝拰鍒╂伅涓鍏卞簲寰3226.8鍏
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