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Ex 4, repedeee!!!!!!!!!!!!!!!!!!!

Ex 4 Repedeee class=

Răspuns :

84-24=60 

60:3+4=34 

34+4=38

38+4=42

In prima lada x kg
in a doua x-4
in a treia x-8
x+x-4+x-8=84
3x-4=84+8
3x-4=92
3x=92+4
3x=96
x=32 Kg in prima
32-4=28 kg in a doua
28-4=24 kg in a treia
32+28+24=84