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): [54] → [25, 29] → [_, 12, _] → [9, _, _, 9]

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Answer: Row3[1]=13, Row4[3]=8, Row4[2]=4, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [25,29]
  • [13,12,17]
  • [9,4,8,9]
Base
  • 9
  • 4
  • 8
  • 9
TopValue
54
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 18] → [_, 13, 5] → [3, _, _, 2]

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Answer: Row4[3]=3, Row1[1]=44, Row4[2]=10, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [26,18]
  • [13,13,5]
  • [3,10,3,2]
Base
  • 3
  • 10
  • 3
  • 2
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 14] → [17, _, _] → [10, 7, _, 1]

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Answer: Row4[3]=3, Row3[2]=10, Row2[1]=27, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [27,14]
  • [17,10,4]
  • [10,7,3,1]
Base
  • 10
  • 7
  • 3
  • 1
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [6, 13, _] → [_, 4, 9, 3]

Show answer

Answer: Row2[2]=25, Row3[3]=12, Row1[1]=44, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [6,13,12]
  • [2,4,9,3]
Base
  • 2
  • 4
  • 9
  • 3
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":0,"v":2}