20. I have some strange dice: the faces show the numbers 1 to 6 as usual, except that the odd numbers are
negative (–1, –3, –5 in place of 1, 3, 5). If I throw two such dice, which of these totals cannot be
achieved?
(A) 3 (B) 4 (C) 5 (D) 7 (E) 8
Part C: Each correct answer is worth 5 points
Bạn đang xem 20. - DE THI TOAN QUOC TE KANGAROO NAM 2016 LOP 9 10 CO DAP AN DE TIENG ANH