medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [_, 26] → [12, _, _] → [8, _, 10, 2]

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Answer: Row4[2]=4, Row2[1]=26, Row3[2]=14, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [26,26]
  • [12,14,12]
  • [8,4,10,2]
Base
  • 8
  • 4
  • 10
  • 2
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":26}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 28] → [_, _, 14] → [_, 5, 9, 5]

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Answer: Row3[1]=7, Row1[1]=49, Row4[1]=2, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [21,28]
  • [7,14,14]
  • [2,5,9,5]
Base
  • 2
  • 5
  • 9
  • 5
TopValue
49
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [_, 13, _] → [4, 7, 6, 9]

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Answer: Row3[1]=11, Row3[3]=15, Row1[1]=52, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [24,28]
  • [11,13,15]
  • [4,7,6,9]
Base
  • 4
  • 7
  • 6
  • 9
TopValue
52
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":2,"c":2,"v":15}
  • {"r":0,"c":0,"v":52}
  • {"r":1,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [30, 25] → [_, 12, 13] → [_, 8, _, _]

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Answer: Row3[1]=18, Row4[1]=10, Row4[3]=4, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [18,12,13]
  • [10,8,4,9]
Base
  • 10
  • 8
  • 4
  • 9
TopValue
55
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":9}