medium Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [10, 13, 18] → [_, 5, 8, _]

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Answer: Row1[1]=54, Row4[1]=5, Row2[1]=23, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [23,31]
  • [10,13,18]
  • [5,5,8,10]
Base
  • 5
  • 5
  • 8
  • 10
TopValue
54
HiddenCells
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 20] → [_, 13, 7] → [4, 9, _, _]

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Answer: Row4[3]=4, Row2[1]=26, Row4[4]=3, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [26,20]
  • [13,13,7]
  • [4,9,4,3]
Base
  • 4
  • 9
  • 4
  • 3
TopValue
46
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [_, 10, 9] → [2, _, 1, 8]

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Answer: Row3[1]=11, Row1[1]=40, Row2[1]=21, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [21,19]
  • [11,10,9]
  • [2,9,1,8]
Base
  • 2
  • 9
  • 1
  • 8
TopValue
40
HiddenCells
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":40}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, 31] → [13, _, _] → [8, 5, 9, _]

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Answer: Row4[4]=8, Row3[2]=14, Row3[3]=17, Row2[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [27,31]
  • [13,14,17]
  • [8,5,9,8]
Base
  • 8
  • 5
  • 9
  • 8
TopValue
58
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":27}