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AJUTOR !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!$$$$$$$$$$$$$$$$$$$$$$$$$$$$ La 8 va rog

AJUTOR La 8 Va Rog class=

Răspuns :

x:9 =c1 +r5
x:15 =c2 +r5
x:12 =c3 +r5

x-5 =9xc
x-5 =15xc
x-5 =12xc  x-5 =cmmmc (9,15,12) 
9=3^2
15 =3x5
12=2^2x3  
cmmmc =2^2x3^2x5 =180

x-5 =180  => x=180+5=185