medium Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 17] → [12, 9, _] → [10, _, _, 1]

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Answer: Row4[2]=2, Row4[3]=7, Row3[3]=8, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [21,17]
  • [12,9,8]
  • [10,2,7,1]
Base
  • 10
  • 2
  • 7
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, _] → [_, 8, 8] → [1, 1, _, 1]

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Answer: Row2[2]=16, Row3[1]=2, Row2[1]=10, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [10,16]
  • [2,8,8]
  • [1,1,7,1]
Base
  • 1
  • 1
  • 7
  • 1
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":10}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 21] → [16, 13, _] → [9, _, 6, _]

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Answer: Row3[3]=8, Row4[2]=7, Row2[1]=29, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [29,21]
  • [16,13,8]
  • [9,7,6,2]
Base
  • 9
  • 7
  • 6
  • 2
TopValue
50
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [36, 30] → [17, _, _] → [7, _, 9, _]

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Answer: Row4[2]=10, Row3[2]=19, Row4[4]=2, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [36,30]
  • [17,19,11]
  • [7,10,9,2]
Base
  • 7
  • 10
  • 9
  • 2
TopValue
66
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":2,"v":11}