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CNT
Listing without missing anything, then the principles that replace the listing.
18 skills · 99 problems · see this strand in the graph
Assumed by everything above it.
The working middle of the exam.
“how many ways to choose one of each”
“in how many orders can they line up”
“how many ways to choose a team of”
“how many shortest routes from A to B”
“everyone shakes hands with everyone else”
“how many have at least one”
“some students take both subjects”
“they must not sit next to each other”
“how many two by two squares are in this grid”
“how many triangles are in the picture”
“how many small cubes make this solid”
What the 5-point questions actually ask for.
“two colourings are the same if you can rotate one into the other”
“each one was counted more than once”
“how many must you pick to be certain”
“what is the largest number that can be placed”