1) Tinh SÉ tuning d Ei nhie muu KH védoanh so boinaia tiring via hang voi chung ca 3 ciia hang ? = so tuyét d Éi KH 2019 so tuyétotii TH 2018 100 CHA = 6000 5300 100 CHB , C Ca 3 CH = 23000 20165 2) SO tuong d Éihoan thanh KH védoanhso bañcua nam 2019 Cua tung Cuia hang Chung 3 CH ? = TH 201g KH 201g 100 3) so tuong d Éi d ing that védoanh SÉ bain 2019 so voii 2018 cuia thing cuia hang voi chung ca 3 CH = so tuong d Oi nhiém v4 KH ✗ so taking d É HTKH 4) SÉ tuong d.