medium Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [12, 27] → [_, _, _] → [2, 1, 8, _]

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Answer: Row4[4]=10, Row3[2]=9, Row3[3]=18, Row3[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [12,27]
  • [3,9,18]
  • [2,1,8,10]
Base
  • 2
  • 1
  • 8
  • 10
TopValue
39
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":18}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [_, 10, 11] → [3, 9, 1, _]

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Answer: Row1[1]=43, Row3[1]=12, Row2[2]=21, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [12,10,11]
  • [3,9,1,10]
Base
  • 3
  • 9
  • 1
  • 10
TopValue
43
HiddenCells
  • {"r":0,"c":0,"v":43}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, _] → [15, _, _] → [5, 10, 9, 7]

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Answer: Row3[2]=19, Row3[3]=16, Row2[2]=35, Row2[1]=34

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [34,35]
  • [15,19,16]
  • [5,10,9,7]
Base
  • 5
  • 10
  • 9
  • 7
TopValue
69
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":35}
  • {"r":1,"c":0,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [12, 16, 17] → [_, _, 7, 10]

Show answer

Answer: Row4[2]=9, Row4[1]=3, Row2[1]=28, Row1[1]=61

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [28,33]
  • [12,16,17]
  • [3,9,7,10]
Base
  • 3
  • 9
  • 7
  • 10
TopValue
61
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":28}
  • {"r":0,"c":0,"v":61}