medium Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 35] → [16, _, 15] → [6, _, 10, _]

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Answer: Row3[2]=20, Row4[2]=10, Row4[4]=5, Row1[1]=71

SubType
number-pyramid
Difficulty
medium
Levels
  • [71]
  • [36,35]
  • [16,20,15]
  • [6,10,10,5]
Base
  • 6
  • 10
  • 10
  • 5
TopValue
71
HiddenCells
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":71}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, _] → [15, 16, 12] → [_, 9, _, 5]

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Answer: Row4[1]=6, Row4[3]=7, Row2[2]=28, Row2[1]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [31,28]
  • [15,16,12]
  • [6,9,7,5]
Base
  • 6
  • 9
  • 7
  • 5
TopValue
59
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":28}
  • {"r":1,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, _] → [3, 7, _] → [_, 2, 5, 10]

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Answer: Row2[2]=22, Row2[1]=10, Row4[1]=1, Row3[3]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [10,22]
  • [3,7,15]
  • [1,2,5,10]
Base
  • 1
  • 2
  • 5
  • 10
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":1,"c":0,"v":10}
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [3, 5, 13] → [1, _, 3, 10]

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Answer: Row2[1]=8, Row2[2]=18, Row4[2]=2, Row1[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [8,18]
  • [3,5,13]
  • [1,2,3,10]
Base
  • 1
  • 2
  • 3
  • 10
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":1,"c":1,"v":18}
  • {"r":3,"c":1,"v":2}
  • {"r":0,"c":0,"v":26}