medium Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [18, _, 9] → [10, _, 6, 3]

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Answer: Row3[2]=14, Row2[1]=32, Row1[1]=55, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [18,14,9]
  • [10,8,6,3]
Base
  • 10
  • 8
  • 6
  • 3
TopValue
55
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":0,"v":32}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [_, _, 5] → [6, 10, 3, 2]

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Answer: Row1[1]=47, Row3[1]=16, Row2[1]=29, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [29,18]
  • [16,13,5]
  • [6,10,3,2]
Base
  • 6
  • 10
  • 3
  • 2
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":2,"c":0,"v":16}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [25, 33] → [8, _, _] → [_, 7, 10, _]

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Answer: Row3[2]=17, Row3[3]=16, Row4[4]=6, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [25,33]
  • [8,17,16]
  • [1,7,10,6]
Base
  • 1
  • 7
  • 10
  • 6
TopValue
58
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":6}
  • {"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): [_] → [13, 16] → [7, _, _] → [6, _, 5, 5]

Show answer

Answer: Row3[2]=6, Row4[2]=1, Row3[3]=10, Row1[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [13,16]
  • [7,6,10]
  • [6,1,5,5]
Base
  • 6
  • 1
  • 5
  • 5
TopValue
29
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":2,"v":10}
  • {"r":0,"c":0,"v":29}