medium Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [35, _] → [_, _, 20] → [9, 8, 10, _]

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Answer: Row2[2]=38, Row3[2]=18, Row4[4]=10, Row3[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [73]
  • [35,38]
  • [17,18,20]
  • [9,8,10,10]
Base
  • 9
  • 8
  • 10
  • 10
TopValue
73
HiddenCells
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 25] → [14, _, 15] → [_, _, 5, 10]

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Answer: Row1[1]=49, Row4[2]=5, Row4[1]=9, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [14,10,15]
  • [9,5,5,10]
Base
  • 9
  • 5
  • 5
  • 10
TopValue
49
HiddenCells
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [5, 8, 12] → [1, _, 4, 8]

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Answer: Row2[1]=13, Row2[2]=20, Row4[2]=4, Row1[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [13,20]
  • [5,8,12]
  • [1,4,4,8]
Base
  • 1
  • 4
  • 4
  • 8
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [11, _] → [8, _, 3] → [6, _, _, 2]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [17]
  • [11,6]
  • [8,3,3]
  • [6,2,1,2]
Base
  • 6
  • 2
  • 1
  • 2
TopValue
17
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":1,"v":3}
  • {"r":3,"c":2,"v":1}