medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [27, _] → [_, _, 4] → [9, 8, _, 2]

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Answer: Row3[1]=17, Row3[2]=10, Row4[3]=2, Row2[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [27,14]
  • [17,10,4]
  • [9,8,2,2]
Base
  • 9
  • 8
  • 2
  • 2
TopValue
41
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 25] → [14, _, 12] → [_, 6, _, 5]

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Answer: Row3[2]=13, Row4[1]=8, Row4[3]=7, Row2[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [27,25]
  • [14,13,12]
  • [8,6,7,5]
Base
  • 8
  • 6
  • 7
  • 5
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 25] → [4, 8, 17] → [_, _, _, 10]

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Answer: Row4[2]=1, Row4[1]=3, Row4[3]=7, Row2[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [12,25]
  • [4,8,17]
  • [3,1,7,10]
Base
  • 3
  • 1
  • 7
  • 10
TopValue
37
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, 29] → [13, 15, 14] → [_, _, 5, _]

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Answer: Row4[4]=9, Row2[1]=28, Row4[1]=3, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [28,29]
  • [13,15,14]
  • [3,10,5,9]
Base
  • 3
  • 10
  • 5
  • 9
TopValue
57
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":1,"v":10}