[PDF] Top 20 Lec2 11 最近の更新履歴 yyasuda's website

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... If there are less than 4 rows with pieces more than 1, covering 4 rows with the most pieces will leave all remaining row each contains no more than one piece. The remaining pieces can be covered by 4 columns, ... 完全なドキュメントを参照

... When n  2004 , then ( q  1)( r   1) 668  2 2  167, so 668 cannot be expressed as the product of even numbers greater than 2. Hence, 2004 did not meet the condition of the problem. Case 3: If 2    p q r , then ... 完全なドキュメントを参照

... Answer: 3600 dollars. 7. The diagram shows a path consisting of four semi-circular arcs. Each arc is of length 100 m and uses a different side of a square as its diameter. Initially, Jane is at A and Yves at B. They ... 完全なドキュメントを参照

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... 【Solution】 If there is no carry when the number is added by 1, sum of digits increases by 1, contradiction to that both sum of digits are divided by 4. If there is a carry, the last digit is 9. Since the sum of all ... 完全なドキュメントを参照

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... Thus, Max must cut a minimum of 50 × 4 + 5 × 12 = 260 cm paper strips. Hence, we select option (A). Answer: (A) 14. The tap is leaking at the rate of one drop per second. The volume of each drop is 0.05 mL. At 9 ... 完全なドキュメントを参照

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... the second set when divided by 3 will give a remainder of 2 and each number in the third set when divided by 3 or when each of them is divided by 3 will give a remainder of ... 完全なドキュメントを参照

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... Similarly, one 5-pence coin can be exchanged with five 1-penny coins and hence there are 4 more coins after such an exchange. After second trading, Fanny has 56 32 − = 24 more coins, so she has taken 24 4 6 ÷ = ... 完全なドキュメントを参照

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... Notice: Individual students, nonprofit libraries, or schools are permitted to make fair use of the papers and its solutions. Republication, systematic copying, or multiple reproduction of any part of this material ... 完全なドキュメントを参照

... Notice: Individual students, nonprofit libraries, or schools are permitted to make fair use of the papers and its solutions. Republication, systematic copying, or multiple reproduction of any part of this material ... 完全なドキュメントを参照