BC
BC
BC
+BC
--------
AC
怎麼解出B.C.A呢???請告訴我吧!!快快!!
2007-12-18 16:35:03 · 1 個解答 · 發問者 瑜仔 1 in 教育與參考 ➔ 考試
1. C必為0 (C=1,2,...,9均不合)
2. 4*B=A即可
3.故(A,B,C)=(4,1,0), (8,2,0),
(0,0,0) (應該不算吧!)
2007-12-18 17:56:16 · answer #1 · answered by mathmanliu 7 · 0⤊ 0⤋