medium Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 22] → [19, _, _] → [_, 9, 3, 7]

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Answer: Row4[1]=10, Row2[1]=31, Row3[3]=10, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [19,12,10]
  • [10,9,3,7]
Base
  • 10
  • 9
  • 3
  • 7
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":2,"v":10}
  • {"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): [35] → [17, _] → [9, _, _] → [3, 6, _, 8]

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Answer: Row3[2]=8, Row4[3]=2, Row3[3]=10, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [17,18]
  • [9,8,10]
  • [3,6,2,8]
Base
  • 3
  • 6
  • 2
  • 8
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [18, _] → [_, 7, 5] → [_, _, 4, 1]

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Answer: Row2[2]=12, Row4[2]=3, Row4[1]=8, Row3[1]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [18,12]
  • [11,7,5]
  • [8,3,4,1]
Base
  • 8
  • 3
  • 4
  • 1
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [8, 11] → [_, 5, 6] → [_, 1, _, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [19]
  • [8,11]
  • [3,5,6]
  • [2,1,4,2]
Base
  • 2
  • 1
  • 4
  • 2
TopValue
19
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":0,"v":3}
  • {"r":3,"c":0,"v":2}