[計量] 請問幾題五月JJ
4.
a1, a2, a3, a4, …, an 給a1 = 1 , a(n+1) = - an 問 a14和a20的大小，选C
8.
(1.3/0.7)^2+(0.7/1.3)^2和2比大小，选A
我怎麼昨天左邊= (2/2)^2 - 2*1 所以小於 2
左邊不事變成 (a+b)^2 - 2ab
13.
Rectangular bath room measures 9+1/2 feet by 12 feet. The floor is
covered by rectangular tiles measuring 1+1/2 inches by 2. A) The number of
tiles on the bathroom floor B) 6x48x19 tiles，选C
謝謝!!
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