' BAI : HAl I LY THUYET Cac bliO.c giai d�ng Buac T: Tofll tat bai Toa n s - Quyen � - H I EU SO bai t�p hai hi�u so toan Bciac 2: llm hi�u ph an Buac 3: 1lm Buac 4: Tam hi�u tong p h an Butte 5: Ti m tong ca c: d�ng bai t�p Co g iao chia VCJ c h o cac em hQC sinh Neu moi em quyen thi thua q uyen Neu moi em q uyen thl thiE�u quyen Tfnh so hQc sinh va so vo Vi dl}: Tom Bai giai tat: q uy�n /em : thua quyen q uyen/em : thieu quyen C h e n h l�ch so v& m¢t em g i ua each chia Ia: - = (qu y en) Chenh l�ch tong so vo du chia g iua each chia Ia: + = (qu yen) (c6 the sa dvng sa de xac djnh hi�u tong) 56 hoc s i n h I a: ; = (em) Tong so vo co g i a o chia Ia: ·- II LUY�N T�P X + = 28 (quyen) fla p so: em, 28 q u ye n vC:J -oai 1-46� -ch! ch ia k�o cho cac em, neu moi em chiec thl thua chiec, neu moi e m chiec thi t hiE�u chiec H6i c bao n h ieu chiec k�o va ba a n h ieu em duq2'chia ��o? Archi medes School Aschool.edu.vn