medium Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 8] → [10, 2, 6] → [9, _, _, _]

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Answer: Row2[1]=12, Row4[3]=1, Row4[4]=5, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [12,8]
  • [10,2,6]
  • [9,1,1,5]
Base
  • 9
  • 1
  • 1
  • 5
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [26, 34] → [_, _, 17] → [_, 7, _, 7]

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Answer: Row4[1]=2, Row3[1]=9, Row3[2]=17, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [26,34]
  • [9,17,17]
  • [2,7,10,7]
Base
  • 2
  • 7
  • 10
  • 7
TopValue
60
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":1,"v":17}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [30, 28] → [_, _, 12] → [_, _, 10, 2]

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Answer: Row4[1]=8, Row3[2]=16, Row4[2]=6, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [30,28]
  • [14,16,12]
  • [8,6,10,2]
Base
  • 8
  • 6
  • 10
  • 2
TopValue
58
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [26, _] → [_, 14, 11] → [3, _, 5, _]

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Answer: Row4[4]=6, Row4[2]=9, Row3[1]=12, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [26,25]
  • [12,14,11]
  • [3,9,5,6]
Base
  • 3
  • 9
  • 5
  • 6
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":25}