The positive degree form of the sentence of Bangladesh is one of the least developed countries is least developed.
The term "Positive degree" is known to be a term that is said to be linked to adjectives as well as adverbs.
Note that an adjective or adverb that is unable to make a comparison is said to be one that is in its the positive degree.
Therefore, based on the above, the positive degree form of the sentence of Bangladesh is one of the least developed countries is least developed.
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