medium Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [_, 10, _] → [1, 4, 6, 9]

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Answer: Row1[1]=40, Row3[1]=5, Row3[3]=15, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [15,25]
  • [5,10,15]
  • [1,4,6,9]
Base
  • 1
  • 4
  • 6
  • 9
TopValue
40
HiddenCells
  • {"r":0,"c":0,"v":40}
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [18, 11] → [_, 9, _] → [_, 8, 1, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [18,11]
  • [9,9,2]
  • [1,8,1,1]
Base
  • 1
  • 8
  • 1
  • 1
TopValue
29
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":2}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [14, 13] → [7, _, _] → [_, 3, 4, _]

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Answer: Row3[2]=7, Row4[4]=2, Row4[1]=4, Row3[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [14,13]
  • [7,7,6]
  • [4,3,4,2]
Base
  • 4
  • 3
  • 4
  • 2
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [30, _] → [14, _, _] → [4, 10, 6, _]

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Answer: Row4[4]=9, Row3[2]=16, Row2[2]=31, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [30,31]
  • [14,16,15]
  • [4,10,6,9]
Base
  • 4
  • 10
  • 6
  • 9
TopValue
61
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":2,"v":15}