medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, _] → [_, _, 8] → [8, 1, 2, 6]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [12,11]
  • [9,3,8]
  • [8,1,2,6]
Base
  • 8
  • 1
  • 2
  • 6
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":3}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 27] → [11, 10, 17] → [_, 3, _, _]

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Answer: Row4[4]=10, Row4[1]=8, Row1[1]=48, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [21,27]
  • [11,10,17]
  • [8,3,7,10]
Base
  • 8
  • 3
  • 7
  • 10
TopValue
48
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":0,"v":8}
  • {"r":0,"c":0,"v":48}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 28] → [_, 11, _] → [6, _, 10, 7]

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Answer: Row3[3]=17, Row4[2]=1, Row2[1]=18, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [18,28]
  • [7,11,17]
  • [6,1,10,7]
Base
  • 6
  • 1
  • 10
  • 7
TopValue
46
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [6, 3, 4] → [4, _, _, 3]

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Answer: Row4[3]=1, Row1[1]=16, Row4[2]=2, Row2[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [16]
  • [9,7]
  • [6,3,4]
  • [4,2,1,3]
Base
  • 4
  • 2
  • 1
  • 3
TopValue
16
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":0,"c":0,"v":16}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":9}