medium Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [15, _] → [_, _, 4] → [_, 3, 3, 1]

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Answer: Row3[1]=9, Row2[2]=10, Row4[1]=6, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [15,10]
  • [9,6,4]
  • [6,3,3,1]
Base
  • 6
  • 3
  • 3
  • 1
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":10}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [_, 26] → [9, _, 13] → [_, _, 6, 7]

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Answer: Row2[1]=22, Row3[2]=13, Row4[2]=7, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [22,26]
  • [9,13,13]
  • [2,7,6,7]
Base
  • 2
  • 7
  • 6
  • 7
TopValue
48
HiddenCells
  • {"r":1,"c":0,"v":22}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [16, 15, 8] → [_, _, 7, 1]

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Answer: Row4[2]=8, Row4[1]=8, Row2[2]=23, Row1[1]=54

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [31,23]
  • [16,15,8]
  • [8,8,7,1]
Base
  • 8
  • 8
  • 7
  • 1
TopValue
54
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":23}
  • {"r":0,"c":0,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [24, _] → [10, _, 17] → [_, _, 7, 10]

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Answer: Row4[2]=7, Row4[1]=3, Row3[2]=14, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [24,31]
  • [10,14,17]
  • [3,7,7,10]
Base
  • 3
  • 7
  • 7
  • 10
TopValue
55
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":1,"v":31}