medium Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [22, _] → [13, _, 10] → [_, 7, 2, _]

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Answer: Row3[2]=9, Row4[4]=8, Row2[2]=19, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [22,19]
  • [13,9,10]
  • [6,7,2,8]
Base
  • 6
  • 7
  • 2
  • 8
TopValue
41
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":19}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [16, 8] → [_, 4, 4] → [_, 2, _, _]

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Answer: Row4[4]=2, Row4[1]=10, Row4[3]=2, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [16,8]
  • [12,4,4]
  • [10,2,2,2]
Base
  • 10
  • 2
  • 2
  • 2
TopValue
24
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"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): [54] → [26, _] → [12, 14, 14] → [_, _, 8, _]

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Answer: Row4[1]=6, Row4[2]=6, Row2[2]=28, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [26,28]
  • [12,14,14]
  • [6,6,8,6]
Base
  • 6
  • 6
  • 8
  • 6
TopValue
54
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":28}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [25, _] → [11, _, 14] → [_, _, 7, 7]

Show answer

Answer: Row4[1]=4, Row4[2]=7, Row3[2]=14, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [11,14,14]
  • [4,7,7,7]
Base
  • 4
  • 7
  • 7
  • 7
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":1,"v":28}