medium Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [_, 25] → [20, 13, _] → [_, 10, _, 9]

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Answer: Row4[1]=10, Row4[3]=3, Row3[3]=12, Row2[1]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [33,25]
  • [20,13,12]
  • [10,10,3,9]
Base
  • 10
  • 10
  • 3
  • 9
TopValue
58
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [24, 15] → [_, _, _] → [_, 8, 1, 5]

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Answer: Row3[3]=6, Row3[1]=15, Row3[2]=9, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [24,15]
  • [15,9,6]
  • [7,8,1,5]
Base
  • 7
  • 8
  • 1
  • 5
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"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): [57] → [32, 25] → [_, _, 11] → [8, _, 4, _]

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Answer: Row3[1]=18, Row3[2]=14, Row4[4]=7, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [32,25]
  • [18,14,11]
  • [8,10,4,7]
Base
  • 8
  • 10
  • 4
  • 7
TopValue
57
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [18, _] → [_, _, 9] → [10, _, 2, 7]

Show answer

Answer: Row4[2]=3, Row3[2]=5, Row3[1]=13, Row2[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [18,14]
  • [13,5,9]
  • [10,3,2,7]
Base
  • 10
  • 3
  • 2
  • 7
TopValue
32
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":14}