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Bontasandrei800
a fost răspuns

11-(7*5-9*9:f:3):8=7

Răspuns :

11-(35-81:f:3):8=7
(35-81:f:3):8=4
35-81:f:3=32
81:f:3=3
81:f=9
f=9
[tex]11-(35-81:f:3):8=7[/tex]
[tex](35-81:f:3)=11-7[/tex]
[tex](35-81:f:3):8=4[/tex]
[tex](35-81:f:3)=8*4[/tex]
[tex]35-81:f:3=32[/tex]
[tex]81:f:3=35-32[/tex]
[tex]81:f:3=3[/tex]
[tex]81=3*3[/tex]
[tex]81:f=9[/tex]
[tex]f=81:9[/tex]
[tex]f=9[/tex]

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