KA-0070
about 135sFive children sit in a row. Two of them are twins who insist on sitting next to each other. In how many orders can the five sit?
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Needs an idea, not just a procedure.
3 in a row to finish this ladder.
0/2 solvedFive children sit in a row. Two of them are twins who insist on sitting next to each other. In how many orders can the five sit?