medium Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 31] → [7, _, 15] → [1, _, _, 5]

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Answer: Row4[3]=10, Row3[2]=16, Row4[2]=6, Row1[1]=54

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [23,31]
  • [7,16,15]
  • [1,6,10,5]
Base
  • 1
  • 6
  • 10
  • 5
TopValue
54
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, 13, 12] → [10, 10, _, 9]

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Answer: Row1[1]=58, Row2[2]=25, Row4[3]=3, Row2[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [33,25]
  • [20,13,12]
  • [10,10,3,9]
Base
  • 10
  • 10
  • 3
  • 9
TopValue
58
HiddenCells
  • {"r":0,"c":0,"v":58}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"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): [68] → [36, 32] → [18, 18, 14] → [_, _, _, _]

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Answer: Row4[2]=8, Row4[3]=10, Row4[1]=10, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [68]
  • [36,32]
  • [18,18,14]
  • [10,8,10,4]
Base
  • 10
  • 8
  • 10
  • 4
TopValue
68
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [_, 12, 8] → [2, 8, 4, _]

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Answer: Row2[2]=20, Row1[1]=42, Row3[1]=10, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [10,12,8]
  • [2,8,4,4]
Base
  • 2
  • 8
  • 4
  • 4
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":3,"v":4}