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Divide this number by 3.
3 digit number math trick. Take any 3 digit number say 732 and write it backwards. This number trick with 1089 works with any 3 digits number as long as you choose a number with decreasing digits in step 1 so it does not matter what number the person choose in step 1 have the person do the math and pretend you are not looking. Using this math trick for fast calculation you will be able to multiply any pair of three. Using this method you will be able to multiply any pair of two and three digit numbers with each other quickly and accurately.
Think of any number. 1089 and a property of 3 digit numbers. Multiplying by 6 if you multiply 6 by an even number the answer will end with the same digit. 100a 10b c 100c 10b a 99a 99c 99 a c.
Fast math tricks multiplication of two and three digit numbers how to multiply numbers numbers calculating the fast way. Add 45 with the result. Multiply the number you have thought with 3. Online course to crack exam with 100 guarantee iit jee mains online classes.
This one involves some three digit numbers so most people will not want to do. Http bit ly crackjee2020 mht cet oniline lectures. Think of any. Ask him to write the same digit 3 times.
Tell him to hide the paper from you to prove you re not cheating. Abc 100a 10b c cba 100c 10b a. We can more easily do this by writing the numbers in expanded form. Subtract the number from step 1 from.
Divide the answer by 6. Suppose abc is the larger number and let s subtract the smaller number. We now can find. The number in the.
Number 1089 is a centerpiece of a curious mathematical trick used to stun the uninitiated with the performer s math prowess. David is the author of highly recommended book 1089 and all that. Multiply it by 3. Become a math genius in no time at all using vedic math.
10 math tricks that will blow your mind 01. Multiply by 7x11x13 faster than a calculator. Take away the number you have thought from the answer that is subtract the answer from the number you. Instruct him to add each digit together.
Let s write a three digit number as abc. I was reminded about it watching david acheson s video. When you call the answer as 1089 the person will be shocked. If you like my videos you can support me at patreon.
121 23 242 32 122 32. The answer is 2 think of a number.
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