medium Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 20] → [9, 13, _] → [2, _, 6, _]

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Answer: Row3[3]=7, Row1[1]=42, Row4[4]=1, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [9,13,7]
  • [2,7,6,1]
Base
  • 2
  • 7
  • 6
  • 1
TopValue
42
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":0,"c":0,"v":42}
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 17] → [19, _, 4] → [9, _, _, 1]

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Answer: Row1[1]=49, Row3[2]=13, Row4[2]=10, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [32,17]
  • [19,13,4]
  • [9,10,3,1]
Base
  • 9
  • 10
  • 3
  • 1
TopValue
49
HiddenCells
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [35, _] → [17, _, _] → [9, 8, _, 10]

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Answer: Row3[3]=20, Row4[3]=10, Row3[2]=18, Row2[2]=38

SubType
number-pyramid
Difficulty
medium
Levels
  • [73]
  • [35,38]
  • [17,18,20]
  • [9,8,10,10]
Base
  • 9
  • 8
  • 10
  • 10
TopValue
73
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":1,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [4, 11, 19] → [_, 2, 9, _]

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Answer: Row4[1]=2, Row2[1]=15, Row1[1]=45, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [15,30]
  • [4,11,19]
  • [2,2,9,10]
Base
  • 2
  • 2
  • 9
  • 10
TopValue
45
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":0,"v":15}
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":3,"v":10}