(TIẾNG ANH) WHAT NUMBER IS REPRESENTED BY THE ROMAN NUMERAL XLV

câu 16 : - RUNG CHUONG VANGRUNGCHUONGVANG2100 CAU HOI NOP 2009
RUNG CHUONG VANGRUNGCHUONGVANG2100 CAU HOI NOP 2009
Câu 16 : (Tiếng Anh) What number is represented by the Roman numeral XLV ?Đáp án : 45.