medium Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 12] → [_, 6, 6] → [2, 5, _, 5]

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Answer: Row4[3]=1, Row3[1]=7, Row2[1]=13, Row1[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [13,12]
  • [7,6,6]
  • [2,5,1,5]
Base
  • 2
  • 5
  • 1
  • 5
TopValue
25
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, 21] → [_, 15, _] → [10, _, 5, 1]

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Answer: Row2[1]=35, Row3[3]=6, Row3[1]=20, Row4[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [35,21]
  • [20,15,6]
  • [10,10,5,1]
Base
  • 10
  • 10
  • 5
  • 1
TopValue
56
HiddenCells
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 37] → [16, 20, 17] → [_, 10, _, 7]

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Answer: Row4[3]=10, Row4[1]=6, Row2[1]=36, Row1[1]=73

SubType
number-pyramid
Difficulty
medium
Levels
  • [73]
  • [36,37]
  • [16,20,17]
  • [6,10,10,7]
Base
  • 6
  • 10
  • 10
  • 7
TopValue
73
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":36}
  • {"r":0,"c":0,"v":73}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 25] → [_, _, 10] → [5, 10, _, 5]

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Answer: Row3[2]=15, Row3[1]=15, Row4[3]=5, Row1[1]=55

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [15,15,10]
  • [5,10,5,5]
Base
  • 5
  • 10
  • 5
  • 5
TopValue
55
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":55}