Vanessa Smith
29/08/2018 at 09:49
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Nguyễn Viết Trung Nhân 17/03/2020 at 02:42The first number between 10 and 3000 is multiple by 7 is 14.
The last number between 10 and 3000 is multiple by 7 is 2996.
The number of numbers that are multiple by 7 between 10 and 3000 is:
(2996 - 14) : 7 + 1 = 427