8/7/2023 0 Comments 1 2 3 38 brain teaserSince 1000 is not divisible by 9, the statement follows. ![]() In order to see that we cannot get a sum of 1000, we note that since the sum of the digits from 1 to 9 is divisible by 9, then the sum of the 3 three-digit numbers should be divisible by 9 as well. Since the set of the first digits, the set of the middle digits, and the set of the last digits of the numbers can be permuted in 6 ways each, we get a total of 5×6×6×6=1080 solutions, or 180 up to permutation of the 3 three-digit numbers. There are 2 ways to get 8 using unique digits from 1 to 9: 1+2+5 and 1+3+4. The sum of the first digits should be 45-19-18=8. We then see that the sum of the last digits should be exactly 19 and the sum of the middle digits should be exactly 18. Use Class PIN to share Baamboozle+ games with your. ![]() Therefore, the sum of the middle and the sum of the last digits cannot be less than 10. Brain Teasers Game Code: 143 English 24 Featured What has hands but can not clap Play Study Slideshow Share Jack 79,573 Riddles jokes brain break brain teasers. Brain Puzzle Tricky Brain Teasers Level 31 32 33 34 35 36 37 38 39 40 - Brain Puzzle Quiz all Level Guide Android IOSPlease Subscribe if you find the Vid Hel. In order to see that, notice that the sum of the first digits of the numbers can be no more than 9. Common Core and the end-of-the-year testing require students to be able to solve multi-step word problems, which takes a higher-order thinking. ![]() There are exactly 180 such triples that sum up to 999 and none that sum up to 1000. Wake your students up with math brain teasers This set of 24 fractions and measurement word problems will have your students scratch their heads and rack their brains trying to solve them.
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