medium Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, 9, 10] → [1, 8, 1, _]

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Answer: Row4[4]=9, Row2[2]=19, Row2[1]=18, Row1[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [18,19]
  • [9,9,10]
  • [1,8,1,9]
Base
  • 1
  • 8
  • 1
  • 9
TopValue
37
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":1,"v":19}
  • {"r":1,"c":0,"v":18}
  • {"r":0,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [15, 16, 14] → [_, 10, _, 8]

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Answer: Row4[3]=6, Row1[1]=61, Row2[2]=30, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [15,16,14]
  • [5,10,6,8]
Base
  • 5
  • 10
  • 6
  • 8
TopValue
61
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":61}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [_, 9, _] → [2, 8, 1, 4]

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Answer: Row3[3]=5, Row1[1]=33, Row3[1]=10, Row2[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [19,14]
  • [10,9,5]
  • [2,8,1,4]
Base
  • 2
  • 8
  • 1
  • 4
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 27] → [13, _, 13] → [3, _, 4, _]

Show answer

Answer: Row4[4]=9, Row1[1]=54, Row4[2]=10, Row3[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [13,14,13]
  • [3,10,4,9]
Base
  • 3
  • 10
  • 4
  • 9
TopValue
54
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":14}