medium Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 15] → [6, _, 8] → [4, _, _, 3]

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Answer: Row4[2]=2, Row3[2]=7, Row2[1]=13, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [13,15]
  • [6,7,8]
  • [4,2,5,3]
Base
  • 4
  • 2
  • 5
  • 3
TopValue
28
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":13}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [19, 7] → [_, _, _] → [10, 4, 1, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [19,7]
  • [14,5,2]
  • [10,4,1,1]
Base
  • 10
  • 4
  • 1
  • 1
TopValue
26
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [19, _] → [9, _, _] → [2, 7, 3, _]

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Answer: Row3[3]=13, Row4[4]=10, Row3[2]=10, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [9,10,13]
  • [2,7,3,10]
Base
  • 2
  • 7
  • 3
  • 10
TopValue
42
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [33, _] → [16, 17, _] → [_, 10, 7, _]

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Answer: Row2[2]=33, Row3[3]=16, Row4[1]=6, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [33,33]
  • [16,17,16]
  • [6,10,7,9]
Base
  • 6
  • 10
  • 7
  • 9
TopValue
66
HiddenCells
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":3,"v":9}