TUAN 25 TIM PHAN SO CUA MOT SO

G V:nguyÔn träng hoan Thø s¸u ngµy 12 th¸ng 3 n¨m 2010 To¸n: T×m ph©n sè cña mét sè Bµi to¸n    3 2  ? !"# $%&'($ 3 1 3 2 '"&)($ $*+,-. 3 2 "&)($ 3 2 Bµi gi¶i sè cam trong ræ lµ : 12 x = 8 ( qu¶ ) §¸p sè: 8 qu¶ cam 2 3 2 3 Muèn t×m cña sè 12 ta lÊy sè 12 nh©n víi . 2 3 2 3 12 = 2 3 x 8 Thø s¸u ngµy 12 th¸ng 3 n¨m 2010 To¸n T×m ph©n sè cña mét sè / 012.3"4567 %8"&(1$ 951 5 3 Bµi sè 1 : :51%81;21"456 7*<1"4567=:52 5 3 Thø s¸u ngµy 12 th¸ng 3 n¨m 2010 To¸n T×m ph©n sè cña mét sè Bµi sè 2 : >.?,@!ABC-;AD AB*<A=>.? 5 6 / EA=>.? C"&CC(-$ 95EACC- 6 5 Bµi sè 3 : F:5'GH1-I1@D1- :5'G1@ 9 8 / 01@=:5'G 95)1 8 9 H"&)1