medium Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 13] → [5, 5, 8] → [_, 4, _, _]

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Answer: Row4[3]=1, Row4[4]=7, Row2[1]=10, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [10,13]
  • [5,5,8]
  • [1,4,1,7]
Base
  • 1
  • 4
  • 1
  • 7
TopValue
23
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":10}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [29, _] → [13, 16, _] → [6, _, _, 8]

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Answer: Row2[2]=33, Row4[3]=9, Row4[2]=7, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [29,33]
  • [13,16,17]
  • [6,7,9,8]
Base
  • 6
  • 7
  • 9
  • 8
TopValue
62
HiddenCells
  • {"r":1,"c":1,"v":33}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [15, 9, 10] → [10, _, 4, _]

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Answer: Row4[4]=6, Row1[1]=43, Row4[2]=5, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [24,19]
  • [15,9,10]
  • [10,5,4,6]
Base
  • 10
  • 5
  • 4
  • 6
TopValue
43
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [7, 11, 7] → [_, 6, 5, 2]

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Answer: Row1[1]=36, Row4[1]=1, Row2[2]=18, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [18,18]
  • [7,11,7]
  • [1,6,5,2]
Base
  • 1
  • 6
  • 5
  • 2
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":18}
  • {"r":1,"c":0,"v":18}