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iComb - Interactive Combinatory on the Internet
The iComb - Interactive Combinatory on the Internet is a free system for teaching and learning
topics associated with combinatory and can be used in the Web.
The iComb is one of the e-learning module(✮)
freely available from the
iMática project.
iComb Widget!
Copy the code above and add iComb in your Web page! Exercise 1With a 32-card pack, how many two-card hands is it possible to form with exactly 1 queen and exactly 1 ace? Exercise 2With a 32-card pack, how many five-card hands is it possible to form with exactly 2 hearts and exactly 2 spades? Exercise 3With a 52-card pack, how many eight-card hands is it possible to form with exactly 1 ace, 2 kings and 2 jacks? Exercise 4With a 32-card pack, how many eight-card hands is it possible to form with exactly 4 aces and 4 kings? Exercise 5                                         With a 32-card pack, how many twenty-card hands is it possible to form with 3 aces, 4 spades and 16 reds? Exercise 6With a 32-card pack, how many twelve-card hands is it possible to form with at least seven hearts, exactly 4 aces, 2 spades and nothing else? Exercise 7With a 32-card pack, how many eighteen-card hands is it possible to form with 6 diamonds, at most 4 blacks, exactly 4 jacks and exactly 4 aces? Exercise 8With a 32-card pack, how many thirteen-card hands is it possible to form with at least 1 hearts, exactly 4 blacks and exactly 4 aces? Exercise 9With a 32-card pack, how many thirteen-card hands is it possible to form with 12 reds, exactly 3 aces and at most 4 diamonds? Exercise 10How many 13 players team can form with just 5 teammates in blue and just 5 players on the team green? |