Subject

Mathematics

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Quizzes in Mathematics

从列表中选择所有结果为正数的乘积。

  • (-4) × (-5)
  • (-3) × 6
  • 7 × 8
  • (-2) × (-2)
Correct answer(s):
    • (-4) × (-5)
    • 7 × 8
    • (-2) × (-2)