A/ X22-Y-Y22+5X-5Y+5X-5YA/ XB/ X22+4X+ 4+4X+ 4B/ XC/ (X-3)(X+3)-(X-3)2...
Câu1:a/ x
2
2
-y-y2
2
+5x-5y+5x-5ya/ xb/ x2
2
+4x+ 4+4x+ 4b/ xc/ (x-3)(x+3)-(x-3)2
2
c/ (x-3)(x+3)-(x-3)Bạn đang xem câu1: - KIEM TRA CHUONG I TIET 21
