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): [_] → [15, 16] → [8, 7, 9] → [_, _, 5, _]

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Answer: Row4[2]=2, Row1[1]=31, Row4[4]=4, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [15,16]
  • [8,7,9]
  • [6,2,5,4]
Base
  • 6
  • 2
  • 5
  • 4
TopValue
31
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":0,"c":0,"v":31}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"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): [_] → [12, _] → [4, 8, _] → [_, 1, 7, 7]

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Answer: Row4[1]=3, Row3[3]=14, Row1[1]=34, Row2[2]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [12,22]
  • [4,8,14]
  • [3,1,7,7]
Base
  • 3
  • 1
  • 7
  • 7
TopValue
34
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":34}
  • {"r":1,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [_, 9, 14] → [8, 3, 6, _]

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Answer: Row3[1]=11, Row2[1]=20, Row1[1]=43, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [20,23]
  • [11,9,14]
  • [8,3,6,8]
Base
  • 8
  • 3
  • 6
  • 8
TopValue
43
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":20}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [6, _, 11] → [3, 3, _, 5]

Show answer

Answer: Row4[3]=6, Row2[2]=20, Row3[2]=9, Row1[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [15,20]
  • [6,9,11]
  • [3,3,6,5]
Base
  • 3
  • 3
  • 6
  • 5
TopValue
35
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":20}
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":35}