7m+2=x8k+3=x11z+6=xx trexznzchnoe7m+2=8k+3 (1)8k+3=11z+6iz dvux poslednix⇒7m+2=11z+6⇒7m=11z+4 (2)iz (1) ⇒7m=8k+1 (3)iz (2) i (3)⇒8k+1=11z+4⇒8k=11z+38k=11z+3 pri k=10, z=7, no 8*10+3=83(dvuznzchnoe)i 83ne delitsya na 7 s ostatkom 2⇒k=10⇒x=83 ne ne reshenie, kajdiy +11 nash noviy k.ono udovletvorit 8k=11z+3, tolko ono doljen i udivletvorit na delitsya 7 ostatok 2 10+11=21, 21+11=32....itdpri k=21, 32, 43, 54,65, 76, 87,98, 109, 120iz etix chisel k=76 udovletvoryaetk=76⇒8*76+3=611(trexznachnoe)611:7=87(ost 2) 611:8=76(ost 3) 611:11=55(ost 6) otvet 611 ( mojet i ne tak vladeyu russkim, no naverno obyasnil kak smog)