數學問題急急急???求大大幫忙!!?
回答 (1)
2021-03-06 3:56 pm
✔ 最佳答案
6^2+b^2 = BD^2 = 2^2+a^2 = 4+(b+2)^2 = b^2+4b+8∴ 4b = 28
b = 7
a = 9
a+b = 16
收錄日期: 2021-05-04 02:35:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20210306020737AAO8Ftr