medium Set 31 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [20, 16] → [10, 10, 6] → [_, _, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [20,16]
  • [10,10,6]
  • [3,7,3,3]
Base
  • 3
  • 7
  • 3
  • 3
TopValue
36
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"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): [45] → [18, 27] → [6, 12, 15] → [_, _, _, _]

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Answer: Row4[2]=5, Row4[3]=7, Row4[1]=1, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [18,27]
  • [6,12,15]
  • [1,5,7,8]
Base
  • 1
  • 5
  • 7
  • 8
TopValue
45
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 5, 13] → [3, 1, 4, 9]

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Answer: Row2[1]=9, Row1[1]=27, Row2[2]=18, Row3[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [9,18]
  • [4,5,13]
  • [3,1,4,9]
Base
  • 3
  • 1
  • 4
  • 9
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 17] → [_, 7, _] → [3, 4, 3, _]

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Answer: Row3[3]=10, Row3[1]=7, Row2[1]=14, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [7,7,10]
  • [3,4,3,7]
Base
  • 3
  • 4
  • 3
  • 7
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":3,"v":7}