更新1:
nooo im not understanding how to do the simple proofs like how to determine if its substitution,subtraction addition...
im not understanding logic and proofs?
2009-01-08 4:47 am
is there any math website idk i had it at 1st in school but now idk what im doing (proof postulates)...or can someone explain to me how to do it
回答 (1)
2009-01-08 7:42 pm
收錄日期: 2021-05-03 01:43:35
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https://hk.answers.yahoo.com/question/index?qid=20090107204712AAUO4vJ