medium Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 16] → [_, 9, 7] → [_, _, 2, 5]

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Answer: Row4[2]=7, Row4[1]=5, Row2[1]=21, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [21,16]
  • [12,9,7]
  • [5,7,2,5]
Base
  • 5
  • 7
  • 2
  • 5
TopValue
37
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":0,"v":21}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, _] → [5, 7, 5] → [2, _, _, 1]

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Answer: Row4[3]=4, Row2[1]=12, Row4[2]=3, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [12,12]
  • [5,7,5]
  • [2,3,4,1]
Base
  • 2
  • 3
  • 4
  • 1
TopValue
24
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 25] → [_, 13, 12] → [9, 8, _, _]

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Answer: Row3[1]=17, Row4[4]=7, Row4[3]=5, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [17,13,12]
  • [9,8,5,7]
Base
  • 9
  • 8
  • 5
  • 7
TopValue
55
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [22, _] → [_, 9, _] → [_, 3, 6, 2]

Show answer

Answer: Row3[1]=13, Row2[2]=17, Row3[3]=8, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [22,17]
  • [13,9,8]
  • [10,3,6,2]
Base
  • 10
  • 3
  • 6
  • 2
TopValue
39
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":10}