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0÷5= 139 (rest 2) si r÷7=106 rest 3 si a÷8=245 rest 6

Răspuns :

o:5=139r2=>o=5x139+2=>o=697

r:7=106r3=>r=7x106+3=>r=745

a:8=245r6=>a=8x245+6=>a=1966