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): [42] → [_, _] → [12, 9, 12] → [_, 5, _, 8]

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Answer: Row4[3]=4, Row2[2]=21, Row2[1]=21, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [21,21]
  • [12,9,12]
  • [7,5,4,8]
Base
  • 7
  • 5
  • 4
  • 8
TopValue
42
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":21}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [10, 8, 10] → [6, _, _, 6]

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Answer: Row2[1]=18, Row4[3]=4, Row4[2]=4, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [18,18]
  • [10,8,10]
  • [6,4,4,6]
Base
  • 6
  • 4
  • 4
  • 6
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [16, _] → [8, 8, _] → [6, _, 6, _]

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Answer: Row4[2]=2, Row3[3]=13, Row4[4]=7, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [16,21]
  • [8,8,13]
  • [6,2,6,7]
Base
  • 6
  • 2
  • 6
  • 7
TopValue
37
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [13, 11, _] → [6, _, 4, 8]

Show answer

Answer: Row3[3]=12, Row4[2]=7, Row2[2]=23, Row1[1]=47

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [24,23]
  • [13,11,12]
  • [6,7,4,8]
Base
  • 6
  • 7
  • 4
  • 8
TopValue
47
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":23}
  • {"r":0,"c":0,"v":47}