| 摘要 |
The purpose of this invention is to provide a means by which complementary expressions, viz., questions and answers, pictures and words, words and symbols, pictures and pictures, words and words, symbols and symbols, etc., can be placed on different cards to enhance the learning of information through the process of playing games. The present invention are decks of cards characterized by several distinct features by themselves or in combination. The various embodiments include the structure of the information on the cards, card numbers, grouping symbols, and tick marks (small lines) to verify sets of complementary expressions. Tick marks, when used, allow the verification of complimentary expressions that go together. Grouping symbols and card numbers, when used, permit more different games to be played. There may be several expressions on a card. A deck of cards may be divided into two or more groups and wild cards may be included if desired. The backs of the cards may have identical designs to make the cards indistinguishable from one another or they may have additional information.
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