medium Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [19, 20] → [10, _, _] → [_, 3, _, 5]

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Answer: Row4[1]=7, Row3[3]=11, Row3[2]=9, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [19,20]
  • [10,9,11]
  • [7,3,6,5]
Base
  • 7
  • 3
  • 6
  • 5
TopValue
39
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":11}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 16] → [_, 11, _] → [5, 10, _, 4]

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Answer: Row1[1]=42, Row3[3]=5, Row4[3]=1, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [26,16]
  • [15,11,5]
  • [5,10,1,4]
Base
  • 5
  • 10
  • 1
  • 4
TopValue
42
HiddenCells
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":2,"v":5}
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [9, 13, 11] → [_, 8, _, 6]

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Answer: Row2[2]=24, Row4[1]=1, Row1[1]=46, Row4[3]=5

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":1,"c":1,"v":24}
  • {"r":3,"c":0,"v":1}
  • {"r":0,"c":0,"v":46}
  • {"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): [49] → [29, 20] → [16, _, _] → [8, 8, _, _]

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Answer: Row3[2]=13, Row4[3]=5, Row3[3]=7, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [29,20]
  • [16,13,7]
  • [8,8,5,2]
Base
  • 8
  • 8
  • 5
  • 2
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":3,"v":2}