medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [_, 3, 8] → [3, 1, _, 6]

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Answer: Row2[1]=7, Row3[1]=4, Row1[1]=18, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [18]
  • [7,11]
  • [4,3,8]
  • [3,1,2,6]
Base
  • 3
  • 1
  • 2
  • 6
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":18}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 25] → [_, 14, 11] → [5, _, _, 3]

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Answer: Row2[1]=25, Row4[3]=8, Row4[2]=6, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [25,25]
  • [11,14,11]
  • [5,6,8,3]
Base
  • 5
  • 6
  • 8
  • 3
TopValue
50
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [12, 11, _] → [_, 2, 9, 6]

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Answer: Row4[1]=10, Row1[1]=49, Row3[3]=15, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [23,26]
  • [12,11,15]
  • [10,2,9,6]
Base
  • 10
  • 2
  • 9
  • 6
TopValue
49
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 11] → [6, 6, _] → [_, _, 4, 1]

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Answer: Row3[3]=5, Row2[1]=12, Row4[1]=4, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [12,11]
  • [6,6,5]
  • [4,2,4,1]
Base
  • 4
  • 2
  • 4
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":12}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":2}