medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 16] → [13, 6, _] → [_, 5, _, 9]

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Answer: Row1[1]=35, Row4[1]=8, Row3[3]=10, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [19,16]
  • [13,6,10]
  • [8,5,1,9]
Base
  • 8
  • 5
  • 1
  • 9
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 17] → [5, 6, _] → [_, _, 5, 6]

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Answer: Row3[3]=11, Row1[1]=28, Row4[1]=4, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [11,17]
  • [5,6,11]
  • [4,1,5,6]
Base
  • 4
  • 1
  • 5
  • 6
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":28}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, 8, _] → [10, 7, 1, 7]

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Answer: Row3[3]=8, Row2[1]=25, Row1[1]=41, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [25,16]
  • [17,8,8]
  • [10,7,1,7]
Base
  • 10
  • 7
  • 1
  • 7
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":25}
  • {"r":0,"c":0,"v":41}
  • {"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): [54] → [31, 23] → [17, _, _] → [_, 8, _, 3]

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Answer: Row3[3]=9, Row4[3]=6, Row4[1]=9, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [31,23]
  • [17,14,9]
  • [9,8,6,3]
Base
  • 9
  • 8
  • 6
  • 3
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":14}