medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, 29] → [15, _, _] → [6, 9, _, 4]

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Answer: Row4[3]=8, Row3[3]=12, Row3[2]=17, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [32,29]
  • [15,17,12]
  • [6,9,8,4]
Base
  • 6
  • 9
  • 8
  • 4
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, 28] → [_, 16, 12] → [9, _, 7, _]

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Answer: Row4[4]=5, Row2[1]=34, Row4[2]=9, Row3[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [34,28]
  • [18,16,12]
  • [9,9,7,5]
Base
  • 9
  • 9
  • 7
  • 5
TopValue
62
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 31] → [6, 13, _] → [3, _, 10, _]

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Answer: Row4[2]=3, Row4[4]=8, Row3[3]=18, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [19,31]
  • [6,13,18]
  • [3,3,10,8]
Base
  • 3
  • 3
  • 10
  • 8
TopValue
50
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":18}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [31, _] → [15, 16, _] → [7, 8, _, _]

Show answer

Answer: Row4[3]=8, Row3[3]=17, Row4[4]=9, Row2[2]=33

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":2,"v":8}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":1,"v":33}