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Puzzle 107. BLOCKS |
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Bill gave his son David a set of cubic blocks. The blocks were either colored red, blue or yellow. They are all of the same sizes. David quickly arranged all of these blocks to form a square array. On the second day, he rearranged the blocks. With the all red blocks, he formed a larger square array. With the rest of the blocks, he formed a smaller square array. On the third day, he rearrange blocks again. With all the red blocks, he formed a cube. With all the blue blocks, he formed another cube. With all the yellow blocks, he formed a square array. What is the smallest number of red blocks the set can have? What is the smallest number of blue blocks the set can have? What is the smallest number of yellow blocks the set can have? |
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Bits and Beyond... LEONARDO DA VINCI Leonardo da Vinci was born in 1452 near the town of Vinci. He was a great man of the arts and the sciences. During his teenage years, he was an apprentice in one of the best studios in Italy. In 1483, he left for Milan. There, he worked and completed his first important art work, Madonna of the Rocks. He was a great man of art during the Renaissance movement. His famous paintings include Mona Lisa and The Last Supper. Leonardo was also a great engineer and inventor. Many of his engineering ideas were recorded in his sketches. There were many times where Leonardo was asked to design state buildings or churches, and even to design new weapons. He also did many sketches of the human body, including detailed drawings of skeletons, muscle structures, and organ systems.
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