medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, _] → [7, _, 8] → [3, _, _, 7]

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Answer: Row4[3]=1, Row4[2]=4, Row3[2]=5, Row2[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [12,13]
  • [7,5,8]
  • [3,4,1,7]
Base
  • 3
  • 4
  • 1
  • 7
TopValue
25
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [20, 19] → [_, 8, 11] → [5, _, _, _]

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Answer: Row4[3]=1, Row4[2]=7, Row4[4]=10, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [20,19]
  • [12,8,11]
  • [5,7,1,10]
Base
  • 5
  • 7
  • 1
  • 10
TopValue
39
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 22] → [9, _, 12] → [5, 4, _, _]

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Answer: Row4[4]=6, Row3[2]=10, Row2[1]=19, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [19,22]
  • [9,10,12]
  • [5,4,6,6]
Base
  • 5
  • 4
  • 6
  • 6
TopValue
41
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":19}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [6, _, _] → [2, 4, 6, 6]

Show answer

Answer: Row1[1]=38, Row3[2]=10, Row2[1]=16, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [16,22]
  • [6,10,12]
  • [2,4,6,6]
Base
  • 2
  • 4
  • 6
  • 6
TopValue
38
HiddenCells
  • {"r":0,"c":0,"v":38}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":16}
  • {"r":2,"c":2,"v":12}