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): [41] → [20, _] → [10, _, 11] → [7, _, 7, _]

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Answer: Row3[2]=10, Row2[2]=21, Row4[2]=3, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [20,21]
  • [10,10,11]
  • [7,3,7,4]
Base
  • 7
  • 3
  • 7
  • 4
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":1,"v":3}
  • {"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): [42] → [23, _] → [12, _, 8] → [4, _, 3, _]

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Answer: Row3[2]=11, Row2[2]=19, Row4[2]=8, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [12,11,8]
  • [4,8,3,5]
Base
  • 4
  • 8
  • 3
  • 5
TopValue
42
HiddenCells
  • {"r":2,"c":1,"v":11}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [25, _] → [9, _, _] → [2, 7, 9, _]

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Answer: Row3[3]=14, Row4[4]=5, Row2[2]=30, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [25,30]
  • [9,16,14]
  • [2,7,9,5]
Base
  • 2
  • 7
  • 9
  • 5
TopValue
55
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [_, _, 12] → [4, 8, 5, 7]

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Answer: Row3[1]=12, Row1[1]=50, Row3[2]=13, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [25,25]
  • [12,13,12]
  • [4,8,5,7]
Base
  • 4
  • 8
  • 5
  • 7
TopValue
50
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":50}
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":0,"v":25}