1.) 7分之5c + 15 = 20
c = ?
2.) 0.6d + 9 = 57
d = ?
3.) 1有8分之7 e - 22 = 38
e =?
4.) 40 - 2有2分之1g = 5
g =?
5.) 8有8分之5 + 3分之2a =12有8分之5
a =?
6.) 3.2f - 10.4 = 28
f =?
收錄日期: 2021-04-29 18:25:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080130000051KK03555