medium Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [5, 12] → [_, _, _] → [2, 1, 1, _]

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Answer: Row3[1]=3, Row3[3]=10, Row4[4]=9, Row3[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [17]
  • [5,12]
  • [3,2,10]
  • [2,1,1,9]
Base
  • 2
  • 1
  • 1
  • 9
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":10}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [_, 13, 9] → [8, 6, _, 2]

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Answer: Row3[1]=14, Row2[2]=22, Row4[3]=7, Row1[1]=49

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [27,22]
  • [14,13,9]
  • [8,6,7,2]
Base
  • 8
  • 6
  • 7
  • 2
TopValue
49
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":2,"v":7}
  • {"r":0,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [3, 10, 17] → [1, 2, 8, _]

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Answer: Row2[1]=13, Row4[4]=9, Row1[1]=40, Row2[2]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [13,27]
  • [3,10,17]
  • [1,2,8,9]
Base
  • 1
  • 2
  • 8
  • 9
TopValue
40
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":40}
  • {"r":1,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 17] → [_, 10, 7] → [8, _, _, 2]

Show answer

Answer: Row4[3]=5, Row3[1]=13, Row1[1]=40, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [23,17]
  • [13,10,7]
  • [8,5,5,2]
Base
  • 8
  • 5
  • 5
  • 2
TopValue
40
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":0,"v":13}
  • {"r":0,"c":0,"v":40}
  • {"r":3,"c":1,"v":5}