I have four consecutive odd numbers. The largest is one less than twice the smallest.
Which of the following is the largest of the four numbers?
(A) 9 (B) 11 (C) 13 (D) 15 (E) 21
(dịch và làm có giải thích giúp mk nhé! giải thích và lm bằng tiếng việt nha)
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