medium Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [17, _, 13] → [8, 9, 6, _]

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Answer: Row1[1]=60, Row2[1]=32, Row4[4]=7, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [32,28]
  • [17,15,13]
  • [8,9,6,7]
Base
  • 8
  • 9
  • 6
  • 7
TopValue
60
HiddenCells
  • {"r":0,"c":0,"v":60}
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 6] → [5, _, 3] → [4, _, 2, _]

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Answer: Row4[2]=1, Row3[2]=3, Row1[1]=14, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [14]
  • [8,6]
  • [5,3,3]
  • [4,1,2,1]
Base
  • 4
  • 1
  • 2
  • 1
TopValue
14
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":14}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, _] → [17, 14, 6] → [_, 10, _, 2]

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Answer: Row4[1]=7, Row4[3]=4, Row2[1]=31, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [31,20]
  • [17,14,6]
  • [7,10,4,2]
Base
  • 7
  • 10
  • 4
  • 2
TopValue
51
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":31}
  • {"r":1,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [22, _] → [_, 13, 11] → [_, 8, 5, _]

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Answer: Row3[1]=9, Row4[1]=1, Row2[2]=24, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [22,24]
  • [9,13,11]
  • [1,8,5,6]
Base
  • 1
  • 8
  • 5
  • 6
TopValue
46
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":3,"v":6}