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21. 已知直角三角形的兩股長為 15 和 20,求斜邊長為何?【題組】22. 承上題,這個直角三角形,其斜邊上的高是多少?(A) 24 (B) 16 (C) 12 (D) 9
問題詳情
21. 已知直角三角形的兩股長為 15 和 20,求斜邊長為何?
【題組】22. 承上題,這個直角三角形,其斜邊上的高是多少?
(A) 24
(B) 16
(C) 12
(D) 9
參考答案
答案:C
難度:
計算中
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21. 已知直角三角形的兩股長為 15 和 20,求斜邊長為何?(A) 25 (B) 24 (C) 16 (D) 10
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23. ( x 5)( -5x6+ x4) ( x 5)( -x6+ 6x4) (x )(6x6- 7x4) 與下列哪一個式子相同?(A) (x+ 4)(6x6-7x4) (B) (x+ 6)(6x6
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