medium Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [9, 6, _] → [4, 5, 1, _]

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Answer: Row3[3]=10, Row4[4]=9, Row2[1]=15, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [15,16]
  • [9,6,10]
  • [4,5,1,9]
Base
  • 4
  • 5
  • 1
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":15}
  • {"r":1,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 7] → [11, _, 3] → [9, _, _, 1]

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Answer: Row4[3]=2, Row1[1]=22, Row3[2]=4, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [15,7]
  • [11,4,3]
  • [9,2,2,1]
Base
  • 9
  • 2
  • 2
  • 1
TopValue
22
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":22}
  • {"r":2,"c":1,"v":4}
  • {"r":3,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 11] → [12, _, _] → [_, 2, 1, 7]

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Answer: Row3[2]=3, Row4[1]=10, Row3[3]=8, Row1[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [15,11]
  • [12,3,8]
  • [10,2,1,7]
Base
  • 10
  • 2
  • 1
  • 7
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [12, 19, 13] → [2, 10, _, _]

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Answer: Row2[2]=32, Row4[4]=4, Row1[1]=63, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [31,32]
  • [12,19,13]
  • [2,10,9,4]
Base
  • 2
  • 10
  • 9
  • 4
TopValue
63
HiddenCells
  • {"r":1,"c":1,"v":32}
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":63}
  • {"r":3,"c":2,"v":9}