How do you think meaning?
“How do you think” usually implies a question as to your process of thought. “What do you think” usually implies a question as for you to state your opinion on something.
What do you think how do you think difference?
“How do you think” is asking which way the person is thinking. “What do you think” is asking someone their opinion.
What u think or what do u think?
“What do you think? ‘ the indicator is that, in this usage, the word ‘what’ is the noun and ‘do you think‘ the predicate (In other words, the verb). You have a simple sentence consisting of the bare necessities to form a sentence. As the word ‘what’ is an indication that the questioner wants the recipient’s opinion.