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): [58] → [_, 33] → [_, _, 18] → [3, _, 8, 10]

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Answer: Row3[1]=10, Row4[2]=7, Row2[1]=25, Row3[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [25,33]
  • [10,15,18]
  • [3,7,8,10]
Base
  • 3
  • 7
  • 8
  • 10
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":25}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 14] → [_, _, 4] → [5, 7, _, 1]

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Answer: Row4[3]=3, Row3[2]=10, Row3[1]=12, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [22,14]
  • [12,10,4]
  • [5,7,3,1]
Base
  • 5
  • 7
  • 3
  • 1
TopValue
36
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [9, 3, 12] → [8, 1, _, _]

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Answer: Row4[4]=10, Row4[3]=2, Row1[1]=27, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [12,15]
  • [9,3,12]
  • [8,1,2,10]
Base
  • 8
  • 1
  • 2
  • 10
TopValue
27
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, 12] → [_, _, _] → [7, 3, 4, _]

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Answer: Row3[2]=7, Row4[4]=1, Row3[3]=5, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [17,12]
  • [10,7,5]
  • [7,3,4,1]
Base
  • 7
  • 3
  • 4
  • 1
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":10}