399. The estimated amount in the price list rounded to 1$. How much is the sum of the estimated amounts within 6$ of the sum of the actual amounts in the list.
(1) There are fewer than 11 amounts in the list.
(2) Each estimated amounts is 5$
选 1
max delta between actual and estimated = 0.4999999999999999999999.... = 0.5
11*0.5 < 6
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