medium Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [24, 26] → [10, _, _] → [_, _, 8, 4]

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Answer: Row3[3]=12, Row3[2]=14, Row4[2]=6, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [24,26]
  • [10,14,12]
  • [4,6,8,4]
Base
  • 4
  • 6
  • 8
  • 4
TopValue
50
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [29, 23] → [_, 13, _] → [_, 7, 6, _]

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Answer: Row4[4]=4, Row4[1]=9, Row3[1]=16, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [29,23]
  • [16,13,10]
  • [9,7,6,4]
Base
  • 9
  • 7
  • 6
  • 4
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [23, _] → [15, _, _] → [_, 6, 2, 7]

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Answer: Row3[2]=8, Row2[2]=17, Row4[1]=9, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [23,17]
  • [15,8,9]
  • [9,6,2,7]
Base
  • 9
  • 6
  • 2
  • 7
TopValue
40
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 18] → [_, _, 12] → [1, 3, _, 9]

Show answer

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [10,18]
  • [4,6,12]
  • [1,3,3,9]
Base
  • 1
  • 3
  • 3
  • 9
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":4}