medium Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 25] → [_, _, _] → [9, 2, 9, 5]

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Answer: Row1[1]=47, Row3[2]=11, Row3[3]=14, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [11,11,14]
  • [9,2,9,5]
Base
  • 9
  • 2
  • 9
  • 5
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 14] → [11, 10, _] → [4, _, _, 1]

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Answer: Row4[2]=7, Row4[3]=3, Row3[3]=4, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [21,14]
  • [11,10,4]
  • [4,7,3,1]
Base
  • 4
  • 7
  • 3
  • 1
TopValue
35
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [16, _, 5] → [10, 6, _, 1]

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Answer: Row3[2]=10, Row2[2]=15, Row4[3]=4, Row1[1]=41

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [26,15]
  • [16,10,5]
  • [10,6,4,1]
Base
  • 10
  • 6
  • 4
  • 1
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":15}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [_, _] → [11, _, 15] → [4, 7, 10, _]

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Answer: Row2[1]=28, Row2[2]=32, Row3[2]=17, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [28,32]
  • [11,17,15]
  • [4,7,10,5]
Base
  • 4
  • 7
  • 10
  • 5
TopValue
60
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":3,"v":5}