medium Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 31] → [_, 16, 15] → [1, _, 7, _]

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Answer: Row1[1]=57, Row3[1]=10, Row4[2]=9, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [26,31]
  • [10,16,15]
  • [1,9,7,8]
Base
  • 1
  • 9
  • 7
  • 8
TopValue
57
HiddenCells
  • {"r":0,"c":0,"v":57}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 25] → [15, _, 12] → [5, _, _, 9]

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Answer: Row4[2]=10, Row3[2]=13, Row4[3]=3, Row2[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [28,25]
  • [15,13,12]
  • [5,10,3,9]
Base
  • 5
  • 10
  • 3
  • 9
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [13, _] → [_, _, 3] → [4, 4, _, 2]

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Answer: Row4[3]=1, Row3[2]=5, Row3[1]=8, Row2[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [13,8]
  • [8,5,3]
  • [4,4,1,2]
Base
  • 4
  • 4
  • 1
  • 2
TopValue
21
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 14] → [_, _, _] → [9, 3, 4, 3]

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Answer: Row3[1]=12, Row3[3]=7, Row2[1]=19, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [19,14]
  • [12,7,7]
  • [9,3,4,3]
Base
  • 9
  • 3
  • 4
  • 3
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":1,"v":7}