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): [40] → [_, 15] → [_, 11, 4] → [6, _, _, 1]

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Answer: Row4[2]=8, Row2[1]=25, Row4[3]=3, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [25,15]
  • [14,11,4]
  • [6,8,3,1]
Base
  • 6
  • 8
  • 3
  • 1
TopValue
40
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, 11, _] → [10, 4, 7, 10]

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Answer: Row3[3]=17, Row2[2]=28, Row3[1]=14, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [14,11,17]
  • [10,4,7,10]
Base
  • 10
  • 4
  • 7
  • 10
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [15, 17] → [_, 9, _] → [2, _, _, 3]

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Answer: Row3[3]=8, Row4[3]=5, Row4[2]=4, Row3[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [15,17]
  • [6,9,8]
  • [2,4,5,3]
Base
  • 2
  • 4
  • 5
  • 3
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 11] → [5, _, 6] → [_, _, 3, 3]

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Answer: Row2[1]=10, Row4[2]=2, Row4[1]=3, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [10,11]
  • [5,5,6]
  • [3,2,3,3]
Base
  • 3
  • 2
  • 3
  • 3
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":5}