medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 27] → [9, _, 13] → [4, _, 9, _]

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Answer: Row3[2]=14, Row1[1]=50, Row4[2]=5, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [23,27]
  • [9,14,13]
  • [4,5,9,4]
Base
  • 4
  • 5
  • 9
  • 4
TopValue
50
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":1,"v":5}
  • {"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): [25] → [14, 11] → [8, _, 5] → [_, _, 2, _]

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Answer: Row4[1]=4, Row3[2]=6, Row4[4]=3, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [14,11]
  • [8,6,5]
  • [4,4,2,3]
Base
  • 4
  • 4
  • 2
  • 3
TopValue
25
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 40] → [_, 20, _] → [4, 10, 10, 10]

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Answer: Row1[1]=74, Row2[1]=34, Row3[1]=14, Row3[3]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [74]
  • [34,40]
  • [14,20,20]
  • [4,10,10,10]
Base
  • 4
  • 10
  • 10
  • 10
TopValue
74
HiddenCells
  • {"r":0,"c":0,"v":74}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [28, 21] → [15, _, _] → [5, 10, _, _]

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Answer: Row3[3]=8, Row3[2]=13, Row4[4]=5, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [28,21]
  • [15,13,8]
  • [5,10,3,5]
Base
  • 5
  • 10
  • 3
  • 5
TopValue
49
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":2,"v":3}