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a fost răspuns

aproximeaza prin lipsa,apoi prin adaos la zeci sute mii si zeci de mii numerele a) 453728, b)157902 c)3782357 d 7293836

Răspuns :

453728,453730,453700,45400,45000,50000
157902,157900,158000,160000,200000
3782357,3782360,3782400,3782000,3780000,3800000,4000000
7293839,7293840,7294000,7290000,7300000,7000000

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