medium Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [26, 12] → [17, _, _] → [_, _, 2, 1]

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Answer: Row4[1]=10, Row4[2]=7, Row3[3]=3, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [26,12]
  • [17,9,3]
  • [10,7,2,1]
Base
  • 10
  • 7
  • 2
  • 1
TopValue
38
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [24, 29] → [_, 15, _] → [4, 5, _, _]

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Answer: Row4[3]=10, Row3[1]=9, Row3[3]=14, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [24,29]
  • [9,15,14]
  • [4,5,10,4]
Base
  • 4
  • 5
  • 10
  • 4
TopValue
53
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [28, _] → [_, 15, _] → [_, 10, 5, 1]

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Answer: Row3[3]=6, Row3[1]=13, Row4[1]=3, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [28,21]
  • [13,15,6]
  • [3,10,5,1]
Base
  • 3
  • 10
  • 5
  • 1
TopValue
49
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [20, 26] → [10, _, _] → [8, 2, _, _]

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Answer: Row4[4]=8, Row4[3]=8, Row3[2]=10, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [20,26]
  • [10,10,16]
  • [8,2,8,8]
Base
  • 8
  • 2
  • 8
  • 8
TopValue
46
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":2,"v":16}