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Clever regrouping (pair to round numbers)
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5-point ladder

Clever regrouping (pair to round numbers), 5-point ladder

●●●5 points, difficulty 3 of 35 pt

Needs an idea, not just a procedure.

3 in a row to finish this ladder.

0/2 solved

KA-0078

about 135s

Ten different whole numbers, each bigger than zero, add up to 100. What is the largest that the biggest of them can be?