Răspuns :
Răspuns:
36 = 2² × 3²
28 = 2² × 7
45 = 3² × 5
cmmmc (36;45; 28) = 2²×3²×5×7=1260
a-9=1260=>a=1260+9=>a=1269
1269:36=35 rest 9
1269:28=45 rest 9
1269:45=28 rest 9
Răspuns:
36 = 2² × 3²
28 = 2² × 7
45 = 3² × 5
cmmmc (36;45; 28) = 2²×3²×5×7=1260
a-9=1260=>a=1260+9=>a=1269
1269:36=35 rest 9
1269:28=45 rest 9
1269:45=28 rest 9