TRUONG PH6 THONG CHAT LUONG CAO PHUONG HOANG
Min08 18.38.-023s.64 9
An
Dia ch
18 Dy Tan-TP Vinh-Ngh
PH
DE ON TAP CUOI TUAN-DE 2
Bai 1. (3,5 dilm)
khix
1) Tinh gis tri bilu thac P
voi x>0,x
2 Cho bidu thoe A
x+2x-1
x+2/x
a) Rút gon biea thdc A
b) So sánh giá tri bilu thre A vói
e) Tim g ...