medium Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [4, 11, _] → [1, _, 8, 7]

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Answer: Row2[2]=26, Row3[3]=15, Row4[2]=3, Row1[1]=41

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [15,26]
  • [4,11,15]
  • [1,3,8,7]
Base
  • 1
  • 3
  • 8
  • 7
TopValue
41
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":1,"v":3}
  • {"r":0,"c":0,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [11, _, 3] → [4, 7, 1, _]

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Answer: Row3[2]=8, Row2[1]=19, Row1[1]=30, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [19,11]
  • [11,8,3]
  • [4,7,1,2]
Base
  • 4
  • 7
  • 1
  • 2
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":30}
  • {"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): [15] → [_, _] → [5, _, 4] → [4, _, 2, 2]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [15]
  • [8,7]
  • [5,3,4]
  • [4,1,2,2]
Base
  • 4
  • 1
  • 2
  • 2
TopValue
15
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [12, _, 5] → [_, 9, 3, 2]

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Answer: Row3[2]=12, Row1[1]=41, Row4[1]=3, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [24,17]
  • [12,12,5]
  • [3,9,3,2]
Base
  • 3
  • 9
  • 3
  • 2
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":24}