1. AB + BA = CBC
A = ______
B = ______
C = ______
2. PQR - RQP = RPQ
P = ______
Q = ______
R = ______
3. XYY + XY + YY = YYY
X = ______
Y = ______
更新1:
Maths P.10
Maths P.10
收錄日期: 2021-04-21 22:14:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100724000051KK00474