... R2(E,F, G) vm kh6achinhcuaquaD R2 1a h~ E A A CAU (6.0diem): -~ Viet bi~uthuc d~i s5quaD chobiet s5hoadan,hQten,dia chi va s5 di~ntho~icuanhiing h~ khachhangc6 h6adanxufit trongthcing Dam 06 20 06 ... ':"'" - - Thir 1o~ib6 E: J= {A~ B,A~ C,A~ D,D~ F, D~ E,D~ G} Ta tinh (D)+J= DFEG Ta tinh (D)+H= DEGF =:) (D)+J= (D)+HDen1o~ib6 E V~y t~ppth t5i thi~ u1a: = {A~ B, A~ C, A~ D, ... ANDYEAR(NG_XHD) =20 06) KHACHHANG*HOADON(E) [SOHD,HOTEN,DCHI, SODT] b Hay viet bi~uthuc d~i s5quaD va ve caybi~uthuct5i Utituang(rugv6'icaua h~ (O.75d) E = (MONTH(NG_XHD)=6 AND YEAR(NG_XHD) =20 06) (KHACHHANG[MAKH,...