medium Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 20] → [8, 10, _] → [3, _, 5, _]

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Answer: Row4[4]=5, Row2[1]=18, Row4[2]=5, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [18,20]
  • [8,10,10]
  • [3,5,5,5]
Base
  • 3
  • 5
  • 5
  • 5
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, 4, _] → [3, 3, _, _]

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Answer: Row4[4]=6, Row3[1]=6, Row4[3]=1, Row3[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [10,11]
  • [6,4,7]
  • [3,3,1,6]
Base
  • 3
  • 3
  • 1
  • 6
TopValue
21
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":6}
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [16, 17, 16] → [9, 7, _, _]

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Answer: Row1[1]=66, Row2[1]=33, Row4[4]=6, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [33,33]
  • [16,17,16]
  • [9,7,10,6]
Base
  • 9
  • 7
  • 10
  • 6
TopValue
66
HiddenCells
  • {"r":0,"c":0,"v":66}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, _] → [_, 15, 10] → [10, _, 8, 2]

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Answer: Row2[2]=25, Row2[1]=32, Row3[1]=17, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [32,25]
  • [17,15,10]
  • [10,7,8,2]
Base
  • 10
  • 7
  • 8
  • 2
TopValue
57
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":7}