medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [29, 28] → [_, 14, _] → [8, _, 7, _]

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Answer: Row4[2]=7, Row4[4]=7, Row3[3]=14, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [29,28]
  • [15,14,14]
  • [8,7,7,7]
Base
  • 8
  • 7
  • 7
  • 7
TopValue
57
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [13, _, _] → [4, 9, 9, 2]

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Answer: Row1[1]=60, Row3[2]=18, Row3[3]=11, Row2[1]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [31,29]
  • [13,18,11]
  • [4,9,9,2]
Base
  • 4
  • 9
  • 9
  • 2
TopValue
60
HiddenCells
  • {"r":0,"c":0,"v":60}
  • {"r":2,"c":1,"v":18}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 30] → [_, 11, _] → [7, _, 9, 10]

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Answer: Row4[2]=2, Row3[1]=9, Row2[1]=20, Row3[3]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [20,30]
  • [9,11,19]
  • [7,2,9,10]
Base
  • 7
  • 2
  • 9
  • 10
TopValue
50
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [_, 9, 9] → [3, _, 5, 4]

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Answer: Row1[1]=34, Row3[1]=7, Row2[2]=18, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [16,18]
  • [7,9,9]
  • [3,4,5,4]
Base
  • 3
  • 4
  • 5
  • 4
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":18}
  • {"r":3,"c":1,"v":4}