div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: WordPresscomMay 13 2015 · only allows Xkids total to be a part Number of Combinations The number of combinations of n items of a set arranged r items at a time is r!n—r! src=https:reader035fdocumentsinreader035viewer20220701076021ebf2f4bd2c115b11dc54html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: WordPresscomMay 13 2015 · only allows Xkids total to be a part Number of Combinations The number of combinations of n items of a set arranged r items at a time is r!n—r! src=https:reader035fdocumentsinreader035viewer20220701076021ebf2f4bd2c115b11dc54html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: WordPresscomMay 13 2015 · only allows Xkids total to be a part Number of Combinations The number of combinations of n items of a set arranged r items at a time is r!n—r! src=https:reader035fdocumentsinreader035viewer20220701076021ebf2f4bd2c115b11dc54html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: WordPresscomMay 13 2015 · only allows Xkids total to be a part Number of Combinations The number of combinations of n items of a set arranged r items at a time is r!n—r! src=https:reader035fdocumentsinreader035viewer20220701076021ebf2f4bd2c115b11dc54html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: WordPresscomMay 13 2015 · only allows Xkids total to be a part Number of Combinations The number of combinations of n items of a set arranged r items at a time is r!n—r!...