medium Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [10, 5, _] → [9, 1, _, 9]

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Answer: Row1[1]=33, Row3[3]=13, Row2[1]=15, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [15,18]
  • [10,5,13]
  • [9,1,4,9]
Base
  • 9
  • 1
  • 4
  • 9
TopValue
33
HiddenCells
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [21, _] → [11, 10, 10] → [_, _, 6, _]

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Answer: Row4[2]=4, Row2[2]=20, Row4[1]=7, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [11,10,10]
  • [7,4,6,4]
Base
  • 7
  • 4
  • 6
  • 4
TopValue
41
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 24] → [13, _, 13] → [5, 8, _, _]

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Answer: Row3[2]=11, Row4[3]=3, Row4[4]=10, Row1[1]=48

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [24,24]
  • [13,11,13]
  • [5,8,3,10]
Base
  • 5
  • 8
  • 3
  • 10
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, _] → [8, 5, _] → [_, 3, 2, 9]

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Answer: Row2[1]=13, Row2[2]=16, Row3[3]=11, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [13,16]
  • [8,5,11]
  • [5,3,2,9]
Base
  • 5
  • 3
  • 2
  • 9
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":0,"v":5}