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Top PDF 2016IMAS First Round Upper Primary Division Full Solutions

2016IMAS First Round Upper Primary Division Full Solutions

2016IMAS First Round Upper Primary Division Full Solutions

... 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 ...

12

2016IMAS First Round Upper Primary Division Problems

2016IMAS First Round Upper Primary Division Problems

... 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 ...

9

2017IMAS First Round Upper Primary Division Full Solutions

2017IMAS First Round Upper Primary Division Full Solutions

... 【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 ...

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2018IMAS First Round Upper Primary Division Full Solutions

2018IMAS First Round Upper Primary Division Full Solutions

... Totally there are 20  20 8 4 1 53     isosceles right triangles. Hence (E). Answer: (E) 21. Mike constructs a sequence in the following way: the first two terms are 1 and 2. Starting from the third term, each ...

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2014IMAS First Round Upper Primary Division Full Solutions

2014IMAS First Round Upper Primary Division Full Solutions

... the first 2014 terms in the sequence, there are 335 complete periods with an incomplete period of four remaining ...The first time both are back together at the marked line, Max has completed 3 ...

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2015IMAS First Round Upper Primary Division Full Solutions

2015IMAS First Round Upper Primary Division Full Solutions

... 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 ...

9

2016IMAS Second Round Upper Primary Division Full Solutions

2016IMAS Second Round Upper Primary Division Full Solutions

... 10. Alex and Charles both sent parcels of weight exceeding 10 kg . The postage rates Alex and Charles were both sending parcels. The postage rates are as follows: For the first 10 kg and below, the postage price ...

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2016IMAS First Round Middle Primary Division Full Solutions

2016IMAS First Round Middle Primary Division Full Solutions

... 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 ...

11

2018IMAS Second Round Upper Primary Division Full Solutions

2018IMAS Second Round Upper Primary Division Full Solutions

... (5 points) Construct 90 codes as follows: the first two digits take 10 to 99, once for each; the third digit equals the last digit of sum of first two digits. (5 points) Next, we show that such set of codes ...

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2017IMAS Second Round Upper Primary Division Full Solutions

2017IMAS Second Round Upper Primary Division Full Solutions

... 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, ...

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2014IMAS Second  Round Upper Primary Division Full Solutions

2014IMAS Second Round Upper Primary Division Full Solutions

... 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 ...

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2015IMAS Second  Round Upper Primary Division Full Solutions

2015IMAS Second Round Upper Primary Division Full Solutions

... 【Suggested Solution】 First take away one bottle of each kind, so that the relevant total capacity is now reduced to 16. If we use an equal number of 0.4 L bottles and 0.6 L bottles, the number of 0.6 L bottles can ...

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2018IMAS First Round Middle Primary Division Full Solutions

2018IMAS First Round Middle Primary Division Full Solutions

... 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 ...

11

2017IMAS First Round Middle Primary Division Full Solutions

2017IMAS First Round Middle Primary Division Full Solutions

... 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 ...

10

2014IMAS First Round Middle Primary Division Full Solutions

2014IMAS First Round Middle Primary Division Full Solutions

... 【Note】By symmetry property of a diagram, We just need to count the number of sides of the upper half and then be multiplied by 2. 6. Thirty students numbered from 1 to 30 stand in a row. The teacher announces, ...

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2015IMAS First Round Middle Primary Division Full Solutions

2015IMAS First Round Middle Primary Division Full Solutions

... 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 ...

8

2018IMAS First Round Upper Primary Division Problems

2018IMAS First Round Upper Primary Division Problems

... 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 ...

9

2017IMAS First Round Upper Primary Division Problems

2017IMAS First Round Upper Primary Division Problems

... 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 ...

9

2014IMAS First Round Upper Primary Division Problems

2014IMAS First Round Upper Primary Division Problems

... 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 ...

9

2015IMAS First Round Upper Primary Division Problems

2015IMAS First Round Upper Primary Division Problems

... 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 ...

9

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