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): [38] → [20, 18] → [_, _, _] → [_, 4, 4, 6]

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Answer: Row4[1]=8, Row3[2]=8, Row3[1]=12, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [12,8,10]
  • [8,4,4,6]
Base
  • 8
  • 4
  • 4
  • 6
TopValue
38
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [10, _, 14] → [7, 3, 5, _]

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Answer: Row1[1]=40, Row3[2]=8, Row4[4]=9, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [18,22]
  • [10,8,14]
  • [7,3,5,9]
Base
  • 7
  • 3
  • 5
  • 9
TopValue
40
HiddenCells
  • {"r":0,"c":0,"v":40}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"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): [_] → [30, 32] → [_, 16, 16] → [7, _, _, 7]

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Answer: Row3[1]=14, Row1[1]=62, Row4[3]=9, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [30,32]
  • [14,16,16]
  • [7,7,9,7]
Base
  • 7
  • 7
  • 9
  • 7
TopValue
62
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":0,"c":0,"v":62}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, _] → [5, 10, _] → [3, 2, 8, _]

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Answer: Row4[4]=9, Row2[1]=15, Row2[2]=27, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [15,27]
  • [5,10,17]
  • [3,2,8,9]
Base
  • 3
  • 2
  • 8
  • 9
TopValue
42
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":15}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":2,"v":17}