medium Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [_, 10, 15] → [_, 2, 8, 7]

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Answer: Row3[1]=12, Row4[1]=10, Row1[1]=47, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [12,10,15]
  • [10,2,8,7]
Base
  • 10
  • 2
  • 8
  • 7
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [8, 10, 15] → [4, 4, _, _]

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Answer: Row2[2]=25, Row4[3]=6, Row1[1]=43, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [18,25]
  • [8,10,15]
  • [4,4,6,9]
Base
  • 4
  • 4
  • 6
  • 9
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [10, _] → [7, 3, _] → [_, _, 1, 10]

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Answer: Row4[1]=5, Row2[2]=14, Row3[3]=11, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [10,14]
  • [7,3,11]
  • [5,2,1,10]
Base
  • 5
  • 2
  • 1
  • 10
TopValue
24
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [_, _] → [3, _, 4] → [_, 1, 3, 1]

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

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