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): [_] → [23, 22] → [_, _, 10] → [_, 7, 5, 5]

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Answer: Row4[1]=4, Row3[1]=11, Row1[1]=45, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [23,22]
  • [11,12,10]
  • [4,7,5,5]
Base
  • 4
  • 7
  • 5
  • 5
TopValue
45
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [19, 19] → [10, _, _] → [_, 4, 5, _]

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Answer: Row4[4]=5, Row3[3]=10, Row3[2]=9, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [10,9,10]
  • [6,4,5,5]
Base
  • 6
  • 4
  • 5
  • 5
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [13, _] → [10, 3, _] → [_, 1, 2, _]

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Answer: Row4[1]=9, Row2[2]=12, Row3[3]=9, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [13,12]
  • [10,3,9]
  • [9,1,2,7]
Base
  • 9
  • 1
  • 2
  • 7
TopValue
25
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 14] → [15, 7, 7] → [_, _, _, 5]

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Answer: Row4[2]=5, Row2[1]=22, Row4[1]=10, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [22,14]
  • [15,7,7]
  • [10,5,2,5]
Base
  • 10
  • 5
  • 2
  • 5
TopValue
36
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":2}