medium Set 65 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 19] → [_, 10, _] → [3, 2, _, 1]

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Answer: Row3[3]=9, Row2[1]=15, Row4[3]=8, Row3[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [15,19]
  • [5,10,9]
  • [3,2,8,1]
Base
  • 3
  • 2
  • 8
  • 1
TopValue
34
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [8, _, 13] → [_, 7, 5, 8]

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Answer: Row1[1]=45, Row2[1]=20, Row4[1]=1, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [20,25]
  • [8,12,13]
  • [1,7,5,8]
Base
  • 1
  • 7
  • 5
  • 8
TopValue
45
HiddenCells
  • {"r":0,"c":0,"v":45}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":0,"v":1}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [13, 9, 10] → [9, _, 5, _]

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Answer: Row4[2]=4, Row4[4]=5, Row1[1]=41, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [22,19]
  • [13,9,10]
  • [9,4,5,5]
Base
  • 9
  • 4
  • 5
  • 5
TopValue
41
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":41}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, 27] → [_, _, 14] → [9, _, 6, 8]

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Answer: Row1[1]=56, Row4[2]=7, Row3[1]=16, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [29,27]
  • [16,13,14]
  • [9,7,6,8]
Base
  • 9
  • 7
  • 6
  • 8
TopValue
56
HiddenCells
  • {"r":0,"c":0,"v":56}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":16}
  • {"r":2,"c":1,"v":13}