medium Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, _] → [_, 3, 6] → [6, _, 2, 4]

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Answer: Row4[2]=1, Row2[2]=9, Row2[1]=10, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [10,9]
  • [7,3,6]
  • [6,1,2,4]
Base
  • 6
  • 1
  • 2
  • 4
TopValue
19
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":1,"v":9}
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 19] → [_, 12, _] → [4, 7, 5, _]

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Answer: Row3[3]=7, Row4[4]=2, Row1[1]=42, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [11,12,7]
  • [4,7,5,2]
Base
  • 4
  • 7
  • 5
  • 2
TopValue
42
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":3,"v":2}
  • {"r":0,"c":0,"v":42}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [29, 17] → [17, 12, 5] → [_, _, _, _]

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Answer: Row4[3]=3, Row4[2]=9, Row4[4]=2, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [29,17]
  • [17,12,5]
  • [8,9,3,2]
Base
  • 8
  • 9
  • 3
  • 2
TopValue
46
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [17, _, _] → [10, 7, 10, 5]

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Answer: Row2[2]=32, Row1[1]=66, Row3[3]=15, Row3[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [34,32]
  • [17,17,15]
  • [10,7,10,5]
Base
  • 10
  • 7
  • 10
  • 5
TopValue
66
HiddenCells
  • {"r":1,"c":1,"v":32}
  • {"r":0,"c":0,"v":66}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":17}