medium Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 20] → [_, 7, 13] → [_, _, 6, 7]

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Answer: Row4[2]=1, Row2[1]=14, Row4[1]=6, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [14,20]
  • [7,7,13]
  • [6,1,6,7]
Base
  • 6
  • 1
  • 6
  • 7
TopValue
34
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [21, _] → [12, _, _] → [9, 3, _, 7]

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Answer: Row3[3]=13, Row3[2]=9, Row4[3]=6, Row2[2]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [21,22]
  • [12,9,13]
  • [9,3,6,7]
Base
  • 9
  • 3
  • 6
  • 7
TopValue
43
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [9, _, 15] → [1, 8, 8, _]

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Answer: Row2[1]=25, Row1[1]=56, Row4[4]=7, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [25,31]
  • [9,16,15]
  • [1,8,8,7]
Base
  • 1
  • 8
  • 8
  • 7
TopValue
56
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":0,"c":0,"v":56}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 29] → [12, 12, 17] → [_, 5, _, _]

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Answer: Row2[1]=24, Row4[1]=7, Row4[3]=7, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [24,29]
  • [12,12,17]
  • [7,5,7,10]
Base
  • 7
  • 5
  • 7
  • 10
TopValue
53
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":10}