medium Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [20, _] → [13, _, 4] → [8, 5, _, _]

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Answer: Row4[3]=2, Row2[2]=11, Row4[4]=2, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [20,11]
  • [13,7,4]
  • [8,5,2,2]
Base
  • 8
  • 5
  • 2
  • 2
TopValue
31
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":11}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, 17] → [_, 12, _] → [1, _, 2, 3]

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Answer: Row3[3]=5, Row3[1]=11, Row4[2]=10, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [23,17]
  • [11,12,5]
  • [1,10,2,3]
Base
  • 1
  • 10
  • 2
  • 3
TopValue
40
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [14, 14, 11] → [8, 6, _, 3]

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Answer: Row2[2]=25, Row1[1]=53, Row2[1]=28, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [28,25]
  • [14,14,11]
  • [8,6,8,3]
Base
  • 8
  • 6
  • 8
  • 3
TopValue
53
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":0,"c":0,"v":53}
  • {"r":1,"c":0,"v":28}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, _] → [17, 12, _] → [8, 9, 3, _]

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Answer: Row3[3]=5, Row2[2]=17, Row4[4]=2, Row2[1]=29

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":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":0,"v":29}