medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [10, 9, 13] → [_, 4, 5, 8]

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Answer: Row2[1]=19, Row1[1]=41, Row4[1]=6, Row2[2]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [19,22]
  • [10,9,13]
  • [6,4,5,8]
Base
  • 6
  • 4
  • 5
  • 8
TopValue
41
HiddenCells
  • {"r":1,"c":0,"v":19}
  • {"r":0,"c":0,"v":41}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 19] → [4, 5, _] → [3, _, _, 10]

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Answer: Row4[2]=1, Row1[1]=28, Row4[3]=4, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [9,19]
  • [4,5,14]
  • [3,1,4,10]
Base
  • 3
  • 1
  • 4
  • 10
TopValue
28
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":0,"c":0,"v":28}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [20, 18] → [12, _, 10] → [_, _, 4, _]

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Answer: Row4[2]=4, Row4[1]=8, Row3[2]=8, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [12,8,10]
  • [8,4,4,6]
Base
  • 8
  • 4
  • 4
  • 6
TopValue
38
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [11, 15, _] → [4, 7, _, 1]

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Answer: Row3[3]=9, Row1[1]=50, Row4[3]=8, Row2[2]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [26,24]
  • [11,15,9]
  • [4,7,8,1]
Base
  • 4
  • 7
  • 8
  • 1
TopValue
50
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":1,"v":24}