medium Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, _, _] → [7, 1, 1, _]

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Answer: Row4[4]=8, Row3[3]=9, Row3[1]=8, Row3[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [10,11]
  • [8,2,9]
  • [7,1,1,8]
Base
  • 7
  • 1
  • 1
  • 8
TopValue
21
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [19, _] → [_, _, 6] → [1, _, 2, 4]

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Answer: Row3[1]=9, Row2[2]=16, Row3[2]=10, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [19,16]
  • [9,10,6]
  • [1,8,2,4]
Base
  • 1
  • 8
  • 2
  • 4
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, 34] → [13, _, _] → [_, 10, 7, 10]

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Answer: Row3[2]=17, Row4[1]=3, Row3[3]=17, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [30,34]
  • [13,17,17]
  • [3,10,7,10]
Base
  • 3
  • 10
  • 7
  • 10
TopValue
64
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [29, _] → [_, _, 5] → [_, 10, 2, 3]

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Answer: Row2[2]=17, Row3[2]=12, Row3[1]=17, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [29,17]
  • [17,12,5]
  • [7,10,2,3]
Base
  • 7
  • 10
  • 2
  • 3
TopValue
46
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":0,"v":7}