medium Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, _] → [17, 15, _] → [7, 10, 5, _]

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Answer: Row2[2]=23, Row3[3]=8, Row4[4]=3, Row2[1]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [32,23]
  • [17,15,8]
  • [7,10,5,3]
Base
  • 7
  • 10
  • 5
  • 3
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 16] → [_, 12, 4] → [5, _, _, 2]

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Answer: Row3[1]=15, Row4[3]=2, Row1[1]=43, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [27,16]
  • [15,12,4]
  • [5,10,2,2]
Base
  • 5
  • 10
  • 2
  • 2
TopValue
43
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":2,"v":2}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [20, _] → [8, 12, _] → [3, _, 7, _]

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Answer: Row3[3]=11, Row4[4]=4, Row4[2]=5, Row2[2]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [20,23]
  • [8,12,11]
  • [3,5,7,4]
Base
  • 3
  • 5
  • 7
  • 4
TopValue
43
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [22, 31] → [_, _, 19] → [8, _, _, 9]

Show answer

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [22,31]
  • [10,12,19]
  • [8,2,10,9]
Base
  • 8
  • 2
  • 10
  • 9
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":10}