How to Tell if a Diamond is Real
Q&A for How to Do a Cool Mathematical Mind Reading Trick
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QuestionWill this blow my friend's mind?Community AnswerIt depends on which type of friend you have. If they are good at math, then you are at hard luck. If not, then this should surely surprise them.
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QuestionHow do I choose a number from 0-9?Community AnswerRandom number generator. Just go to Google, search random number generator, add the limits from 0 to 9, and then voila!
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QuestionFor the second one, must you always divide by six?Community AnswerYes, if you don't divide by 6, the answer will not always come out to 3.
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QuestionWhat can I do if I am weak at algebra? Are there other tricks like this?Community AnswerUse the Santa hat model to help you, remember to draw the lines from the outside number to each of the inside bracket numbers to create the Santa hat. For example: 4(2a+6) You would times the 4 by 2a to get 8a. Which is one part of the Santa hat. Then do 4 times the 6 which is 24. Then put the two answers together to get the equation 8a+24.
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QuestionIs it important to pick a number between 0 and 9 only?AnfelfelfolaCommunity AnswerYes, very! It cannot be correct if it's not between 0 and 9! do the equation with 10 and end it with 11; the answer is 136. That is wrong. That's why you should only use the numbers between 0 and 9.
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QuestionWhy should we use any numbers between 0-9 to think so that they get it right when someone does this trick to us ?AnfelfelfolaCommunity AnswerWe should use any number between 0-9 because if you use different numbers (11, 19,100, etc) the answer would be incorrect. For example, 10+10=20. 20+5=25. 25x5=125. 11+125=136. That doesn't sound right, does it? And another tip, it has to be a non-digit number.
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