medium Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [22, 19] → [_, _, 9] → [_, 4, 6, _]

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Answer: Row4[4]=3, Row3[2]=10, Row3[1]=12, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [22,19]
  • [12,10,9]
  • [8,4,6,3]
Base
  • 8
  • 4
  • 6
  • 3
TopValue
41
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [8, 11, 13] → [5, 3, _, 5]

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Answer: Row4[3]=8, Row2[2]=24, Row2[1]=19, Row1[1]=43

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [19,24]
  • [8,11,13]
  • [5,3,8,5]
Base
  • 5
  • 3
  • 8
  • 5
TopValue
43
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":24}
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [13, _, 17] → [9, 4, 9, _]

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Answer: Row4[4]=8, Row1[1]=56, Row2[2]=30, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [26,30]
  • [13,13,17]
  • [9,4,9,8]
Base
  • 9
  • 4
  • 9
  • 8
TopValue
56
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":56}
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, _] → [_, 7, 5] → [4, 4, 3, _]

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Answer: Row2[1]=15, Row3[1]=8, Row4[4]=2, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [15,12]
  • [8,7,5]
  • [4,4,3,2]
Base
  • 4
  • 4
  • 3
  • 2
TopValue
27
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":1,"v":12}