A借款一筆，以年利率8%，2年後本利清還，共付29000元，A原借款多少元?
我用的式 : Y+Y+8%x2=29000，計唔到!!!
數學唔識做7 ( 快!即日!) 3
2007-05-10 5:06 am
回答 (2)
2007-05-10 5:13 am
i can't guess whether it is simple interest or compound interest
SIMPLE:
Y[1 + 2(8%)] = 29000
COMPOUND:
Y[1 + 8%]^2 = 29000
SIMPLE:
Y[1 + 2(8%)] = 29000
COMPOUND:
Y[1 + 8%]^2 = 29000
2007-05-10 5:09 am
a*(1+8%)²=29000
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