bài 2 tìm GTLN a ) D = -3 – ( 1/2x + 5 ) b) E = 5 – ( y + 3/4 )^4 Question RI SƠ bài 2 tìm GTLN a ) D = -3 - ( 1/2x + 5 ) b) E = 5 - ( y + 3/4 )^4 6 years