medium Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [21, 18] → [_, 11, _] → [_, 7, 4, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [21,18]
  • [10,11,7]
  • [3,7,4,3]
Base
  • 3
  • 7
  • 4
  • 3
TopValue
39
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [31, _] → [_, 16, 17] → [7, _, 8, _]

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Answer: Row4[4]=9, Row4[2]=8, Row2[2]=33, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [31,33]
  • [15,16,17]
  • [7,8,8,9]
Base
  • 7
  • 8
  • 8
  • 9
TopValue
64
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [15, _, 10] → [6, 9, _, 3]

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Answer: Row3[2]=16, Row2[1]=31, Row1[1]=57, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [31,26]
  • [15,16,10]
  • [6,9,7,3]
Base
  • 6
  • 9
  • 7
  • 3
TopValue
57
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":0,"v":31}
  • {"r":0,"c":0,"v":57}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [_, 8, 15] → [4, _, 7, 8]

Show answer

Answer: Row3[1]=5, Row2[1]=13, Row4[2]=1, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [13,23]
  • [5,8,15]
  • [4,1,7,8]
Base
  • 4
  • 1
  • 7
  • 8
TopValue
36
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":0,"v":13}
  • {"r":3,"c":1,"v":1}
  • {"r":0,"c":0,"v":36}