为在10年后得到10000元,利率为8%,复利计算,从现在起每年年是应等额存入银行多少钱?
100000÷[(1+8%)+(1+8%)²+(1+8%)³+(1+8%)^4+(1+8%)^5+(1+8%)^6+(1+8%)^7+(+8%)^8+(1+8%)^9+(1+8%)^10
=100000÷[1.08+1.1664+1.2597+1.3605+1.4693+1.5869+1.7138+1.8509+1.9990+2.1589]
=100000÷15.6454
=6391.66(元)
答:每年应待额存入6391.66元。
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