medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, 15, _] → [10, 6, 9, 3]

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Answer: Row2[2]=27, Row1[1]=58, Row3[3]=12, Row3[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [31,27]
  • [16,15,12]
  • [10,6,9,3]
Base
  • 10
  • 6
  • 9
  • 3
TopValue
58
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":0,"c":0,"v":58}
  • {"r":2,"c":2,"v":12}
  • {"r":2,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 27] → [8, 11, 16] → [_, _, 6, _]

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Answer: Row4[1]=3, Row4[4]=10, Row4[2]=5, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [19,27]
  • [8,11,16]
  • [3,5,6,10]
Base
  • 3
  • 5
  • 6
  • 10
TopValue
46
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 16] → [11, _, 7] → [_, _, 2, 5]

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Answer: Row1[1]=36, Row4[1]=4, Row3[2]=9, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [20,16]
  • [11,9,7]
  • [4,7,2,5]
Base
  • 4
  • 7
  • 2
  • 5
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"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): [52] → [28, _] → [14, _, _] → [4, 10, 4, _]

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Answer: Row4[4]=6, Row3[3]=10, Row2[2]=24, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [28,24]
  • [14,14,10]
  • [4,10,4,6]
Base
  • 4
  • 10
  • 4
  • 6
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":24}
  • {"r":2,"c":1,"v":14}