medium Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, 23] → [10, _, 14] → [6, 4, _, _]

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Answer: Row4[4]=9, Row3[2]=9, Row2[1]=19, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [10,9,14]
  • [6,4,5,9]
Base
  • 6
  • 4
  • 5
  • 9
TopValue
42
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":19}
  • {"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): [_] → [25, _] → [13, 12, 9] → [7, 6, _, _]

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Answer: Row4[4]=3, Row1[1]=46, Row2[2]=21, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [25,21]
  • [13,12,9]
  • [7,6,6,3]
Base
  • 7
  • 6
  • 6
  • 3
TopValue
46
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":0,"c":0,"v":46}
  • {"r":1,"c":1,"v":21}
  • {"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): [_] → [_, _] → [15, 11, 4] → [6, _, 2, 2]

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Answer: Row2[2]=15, Row1[1]=41, Row4[2]=9, Row2[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [26,15]
  • [15,11,4]
  • [6,9,2,2]
Base
  • 6
  • 9
  • 2
  • 2
TopValue
41
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [15, 27] → [_, _, _] → [2, _, 9, 7]

Show answer

Answer: Row4[2]=2, Row3[3]=16, Row3[1]=4, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [15,27]
  • [4,11,16]
  • [2,2,9,7]
Base
  • 2
  • 2
  • 9
  • 7
TopValue
42
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":16}
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":1,"v":11}