medium Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 24] → [5, 10, _] → [4, 1, _, _]

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Answer: Row2[1]=15, Row4[3]=9, Row4[4]=5, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [15,24]
  • [5,10,14]
  • [4,1,9,5]
Base
  • 4
  • 1
  • 9
  • 5
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, _] → [_, 18, _] → [8, 9, 9, 1]

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Answer: Row2[1]=35, Row3[3]=10, Row3[1]=17, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [35,28]
  • [17,18,10]
  • [8,9,9,1]
Base
  • 8
  • 9
  • 9
  • 1
TopValue
63
HiddenCells
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [_, 16, _] → [4, 6, 10, 5]

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Answer: Row1[1]=57, Row3[1]=10, Row3[3]=15, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [26,31]
  • [10,16,15]
  • [4,6,10,5]
Base
  • 4
  • 6
  • 10
  • 5
TopValue
57
HiddenCells
  • {"r":0,"c":0,"v":57}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [9, 18, 14] → [1, _, 10, _]

Show answer

Answer: Row4[4]=4, Row1[1]=59, Row2[2]=32, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [27,32]
  • [9,18,14]
  • [1,8,10,4]
Base
  • 1
  • 8
  • 10
  • 4
TopValue
59
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":0,"c":0,"v":59}
  • {"r":1,"c":1,"v":32}
  • {"r":3,"c":1,"v":8}