medium Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, _] → [13, 11, _] → [_, 9, 2, 2]

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Answer: Row4[1]=4, Row2[1]=24, Row3[3]=4, Row2[2]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [24,15]
  • [13,11,4]
  • [4,9,2,2]
Base
  • 4
  • 9
  • 2
  • 2
TopValue
39
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [12, _, 12] → [_, 8, 4, 8]

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Answer: Row3[2]=12, Row2[2]=24, Row4[1]=4, Row1[1]=48

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [24,24]
  • [12,12,12]
  • [4,8,4,8]
Base
  • 4
  • 8
  • 4
  • 8
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":0,"v":4}
  • {"r":0,"c":0,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 12] → [_, 8, _] → [5, _, 1, 3]

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Answer: Row3[1]=12, Row1[1]=32, Row3[3]=4, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [20,12]
  • [12,8,4]
  • [5,7,1,3]
Base
  • 5
  • 7
  • 1
  • 3
TopValue
32
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":32}
  • {"r":2,"c":2,"v":4}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [7, 9] → [_, _, 5] → [_, _, 3, 2]

Show answer

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [16]
  • [7,9]
  • [3,4,5]
  • [2,1,3,2]
Base
  • 2
  • 1
  • 3
  • 2
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":3}
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":0,"v":2}