efarmogh 2 selida 59

efarmogh 2 selida 59

Published on 11 November 2020

διαταξη αλγεβρα α λυκειου εφαρμογή 2 σελιδα 59

  • Facebook
  • Twitter
  • Linkedin
AP
AGELOS PAPANIKOLAOU
AGELOS's Personal Gallery
Transcript
00:04
Απόδειξη
00:16
<=> -4<8x<6 (1)
00:30
<=> 8>-12y>-10
00:40
<=> -10<-12y<8 (2)
00:42
(1)+(2) <=> -14<8x-12y<14
00:52
-14+3<8x-12y+3<14+3
00:58
<=> -11<8x-12y+3<17