math for elementry school teacher
posted by deadlove .
Step 1st: 1 Box
Step 2nd: 3 Boxes
Step 3rd: 6 Boxes
How many boxes in the 354th version?
How many in the nth version?

looks like the nth step has n(n+1)/2 boxes.
what's 354*355/2?
dunno nothin' 'bout no versions.
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