TVET CHNS,Eng,Maths
Senior High
求解 謝謝
(
選擇題(24%,每題4分)
1)1. AABC中,b=5、c= 20、ZA = 30°,則AABC 之面積為(A)1005
(C) 20 (D) 25
主進步。
(B)15
【課本题1}
in-r--
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