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  • ==Problem== If <math>a : b : c : d=1 : 2 : 3 : 4</math> and <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</mat
    2 KB (296 words) - 00:17, 12 July 2021
  • ==Problem== ...aced at square C5 (row 5, column C) and a rook is placed at square E4 (row 4, column E). How many squares can be attacked by both the bishop and rook if
    1,017 bytes (175 words) - 16:12, 11 July 2021
  • ==Problem== We conclude that the leftmost digit must be <math>\boxed{4}</math>.
    2 KB (209 words) - 16:25, 11 July 2021
  • ...(Middle School)''' problems and solutions. The test was held on July 10th, 2021. *[[2021 JMPSC Accuracy Problems]]
    1 KB (125 words) - 16:39, 11 July 2021
  • ...Middle School</b> problems and solutions. The test was held on July 10th, 2021. *[[2021 JMPSC Sprint Problems]]
    1 KB (155 words) - 16:39, 11 July 2021
  • == Problem == == Solution 4 ==
    4 KB (634 words) - 09:53, 12 July 2021
  • ==Problem== Case 2: <math>x+y=3, xy=4</math>.
    2 KB (300 words) - 16:15, 12 July 2021
  • ==Problem== ...gers <math>n,</math> define the function <math>f(n)</math> to output <math>4\underbrace{777 \cdots 7}_{n\ \text{sevens}}5.</math> For example, <math>f(1
    2 KB (304 words) - 00:19, 12 July 2021
  • #You will receive 4 points for each correct answer, and 0 points for each problem left unanswered or incorrect. ...rasers. No calculators, smartwatches, or computing devices are allowed. No problems on the test will require the use of a calculator.
    5 KB (729 words) - 17:41, 11 July 2021
  • ==Problem== Say we take <math>x_1,x_1,x_3,...,x_{10}</math> as <math>4,5,6,...,13</math> as an example. The first few terms of the inequality woul
    1 KB (178 words) - 16:24, 11 July 2021
  • ==Problem== From the problem, we know that
    1 KB (205 words) - 16:23, 11 July 2021
  • ==Problem== == Solution 4 ==
    2 KB (332 words) - 09:42, 18 July 2021
  • ==Problem== There are <math>4^5</math> ways for the friends to choose houses. Now, we have friends can me
    1 KB (197 words) - 09:01, 12 July 2021
  • ==Problem== Since there are 2 ways to place 3 circles in a row in a row of 4 circles, and 1 way to put three circles in a row in a row of three circles.
    1 KB (207 words) - 09:53, 16 July 2021
  • ==Problem== ...ath> cuts. Therefore, it makes <math>1</math> cut every <math>\frac{20}{5}=4</math> minutes. To split the metal into <math>20</math> pieces, the machine
    797 bytes (121 words) - 16:14, 11 July 2021
  • ==Problem== ...incorrect or skipped question. Find the sum of all the possible numbers of problems that the test could have had.
    1 KB (154 words) - 16:14, 11 July 2021
  • ==Problem== <cmath>S=\{3^2,4^2,5^2,\cdots,50^2\}</cmath>
    1 KB (168 words) - 18:55, 7 September 2021
  • ==Problem== ...7th root of both sides gives <math>y=2^9,</math> thus we have <math>\sqrt[4]{x}=2^9,</math> which makes <math>x=2^{36}.</math> Answer is <math>\boxed{3
    2 KB (367 words) - 19:02, 12 July 2021
  • ==Problem== ...th>14</math> minutes it is due to be <math>5:TM</math>, then it is between 4-o'clock and 5-o
    2 KB (265 words) - 16:15, 11 July 2021
  • ==Problem== ...rator of the fraction within the square root as <math>a^3-3a^2+3a-1+a^2-4a+4+a-1+a-2=a^3-2a^2+a</math> to get <cmath>\sqrt{\frac{a^3-2a^2+a}{a}}=\sqrt{a
    2 KB (258 words) - 09:00, 12 July 2021

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