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prin segmente metoda figurativa ........

Prin Segmente Metoda Figurativa class=

Răspuns :

 a:b=3 rest 5 =>a=3b+5
 a-b=2 =>3b+5-b=2 =>2b=(-3) =>b=(-3/2)
 a-(-3/2)=2 <=>a+3/2=2 =>2a+3=4 =>2a=1 =>a=1/2
 a:b=8 rest 3 =>a=8b+3
 a+b=9 =>8b+3+b=9 =>9b=6 =>b=6/9=2/3
 a+2/3=9 <=>3a+2=27 =>3a=25 =>a=25/3

Coronita?