medium Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, _] → [10, _, 13] → [4, 6, _, 7]

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Answer: Row4[3]=6, Row2[2]=25, Row3[2]=12, Row2[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [10,12,13]
  • [4,6,6,7]
Base
  • 4
  • 6
  • 6
  • 7
TopValue
47
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":25}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [_, 4, _] → [_, 2, 2, 6]

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Answer: Row2[2]=12, Row3[3]=8, Row3[1]=11, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [15,12]
  • [11,4,8]
  • [9,2,2,6]
Base
  • 9
  • 2
  • 2
  • 6
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 24] → [_, _, 13] → [2, 8, _, 10]

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Answer: Row1[1]=45, Row4[3]=3, Row3[2]=11, Row3[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [21,24]
  • [10,11,13]
  • [2,8,3,10]
Base
  • 2
  • 8
  • 3
  • 10
TopValue
45
HiddenCells
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [27, _] → [_, 16, _] → [4, 7, _, 3]

Show answer

Answer: Row4[3]=9, Row3[1]=11, Row2[2]=28, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [11,16,12]
  • [4,7,9,3]
Base
  • 4
  • 7
  • 9
  • 3
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":2,"v":12}