Mathematics
Senior High
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求解
W速食店販售之蛋捲冰淇淋,連續四年的單支售價為10元、12元、15元、18元,請使
用下表之參考數值,則每年售價平均成長率為
。(答案請以百分比%表示)
n
1
2
3
4
5
6
7
8
9
10
(1.2)+
1.2
1.10
1.06
1.05
1.04
1.03
1.03
1.02
1.02
1.02
(1.5)/
1.5
1.22
1.14
1.11
1.08
1.07
1.06
1.05
1.05
1.04
(1.8)
1.8
1.34
1.22
1.16
1.12
1.10
1.09
1.08
1.07
1.06
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