medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [_, 11, 8] → [6, _, 7, 1]

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Answer: Row3[1]=10, Row2[1]=21, Row1[1]=40, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [21,19]
  • [10,11,8]
  • [6,4,7,1]
Base
  • 6
  • 4
  • 7
  • 1
TopValue
40
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":21}
  • {"r":0,"c":0,"v":40}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 28] → [6, _, _] → [3, 3, 8, 9]

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Answer: Row3[3]=17, Row2[1]=17, Row3[2]=11, Row1[1]=45

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [17,28]
  • [6,11,17]
  • [3,3,8,9]
Base
  • 3
  • 3
  • 8
  • 9
TopValue
45
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":11}
  • {"r":0,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [29, _] → [_, 17, 14] → [5, _, _, 4]

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Answer: Row4[2]=7, Row2[2]=31, Row3[1]=12, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [29,31]
  • [12,17,14]
  • [5,7,10,4]
Base
  • 5
  • 7
  • 10
  • 4
TopValue
60
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":0,"v":12}
  • {"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): [48] → [_, 23] → [_, 12, 11] → [_, _, 2, 9]

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Answer: Row3[1]=13, Row4[2]=10, Row4[1]=3, Row2[1]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [25,23]
  • [13,12,11]
  • [3,10,2,9]
Base
  • 3
  • 10
  • 2
  • 9
TopValue
48
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":25}