medium Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [9, 14, 13] → [3, 6, _, _]

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Answer: Row2[2]=27, Row4[3]=8, Row2[1]=23, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [23,27]
  • [9,14,13]
  • [3,6,8,5]
Base
  • 3
  • 6
  • 8
  • 5
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [_, 12, 13] → [2, 4, 8, _]

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Answer: Row1[1]=43, Row2[1]=18, Row4[4]=5, Row3[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [18,25]
  • [6,12,13]
  • [2,4,8,5]
Base
  • 2
  • 4
  • 8
  • 5
TopValue
43
HiddenCells
  • {"r":0,"c":0,"v":43}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 8] → [12, _, 2] → [7, _, 1, _]

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Answer: Row1[1]=26, Row4[4]=1, Row4[2]=5, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [18,8]
  • [12,6,2]
  • [7,5,1,1]
Base
  • 7
  • 5
  • 1
  • 1
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, _] → [13, 7, 3] → [8, _, _, 1]

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Answer: Row2[2]=10, Row2[1]=20, Row4[3]=2, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [20,10]
  • [13,7,3]
  • [8,5,2,1]
Base
  • 8
  • 5
  • 2
  • 1
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":5}