medium Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [22, 21] → [12, _, 11] → [_, 2, _, _]

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Answer: Row4[4]=3, Row4[3]=8, Row4[1]=10, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [22,21]
  • [12,10,11]
  • [10,2,8,3]
Base
  • 10
  • 2
  • 8
  • 3
TopValue
43
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [23, _] → [_, 11, _] → [8, 4, 7, _]

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Answer: Row3[3]=8, Row2[2]=19, Row3[1]=12, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [12,11,8]
  • [8,4,7,1]
Base
  • 8
  • 4
  • 7
  • 1
TopValue
42
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":0,"v":12}
  • {"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] → [22, 29] → [7, _, _] → [_, 6, 9, _]

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Answer: Row4[4]=5, Row3[2]=15, Row4[1]=1, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [22,29]
  • [7,15,14]
  • [1,6,9,5]
Base
  • 1
  • 6
  • 9
  • 5
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, _, 12] → [8, 1, 5, 7]

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Answer: Row2[2]=18, Row3[2]=6, Row1[1]=33, Row2[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [15,18]
  • [9,6,12]
  • [8,1,5,7]
Base
  • 8
  • 1
  • 5
  • 7
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":1,"v":6}
  • {"r":0,"c":0,"v":33}
  • {"r":1,"c":0,"v":15}