medium Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 18] → [16, 9, 9] → [_, 7, _, _]

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Answer: Row4[4]=7, Row1[1]=43, Row4[1]=9, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [25,18]
  • [16,9,9]
  • [9,7,2,7]
Base
  • 9
  • 7
  • 2
  • 7
TopValue
43
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"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): [28] → [_, 17] → [5, _, 11] → [_, _, 3, 8]

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Answer: Row3[2]=6, Row4[1]=2, Row2[1]=11, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [11,17]
  • [5,6,11]
  • [2,3,3,8]
Base
  • 2
  • 3
  • 3
  • 8
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":0,"v":11}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 13] → [11, _, _] → [4, 7, _, 2]

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Answer: Row1[1]=33, Row3[2]=9, Row3[3]=4, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [20,13]
  • [11,9,4]
  • [4,7,2,2]
Base
  • 4
  • 7
  • 2
  • 2
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":4}
  • {"r":3,"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): [_] → [9, 11] → [7, _, 9] → [6, 1, _, _]

Show answer

Answer: Row3[2]=2, Row1[1]=20, Row4[3]=1, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [9,11]
  • [7,2,9]
  • [6,1,1,8]
Base
  • 6
  • 1
  • 1
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":20}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":8}