medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 11] → [9, _, 3] → [3, 6, _, _]

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Answer: Row4[3]=2, Row4[4]=1, Row3[2]=8, Row2[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [17,11]
  • [9,8,3]
  • [3,6,2,1]
Base
  • 3
  • 6
  • 2
  • 1
TopValue
28
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [16, _] → [11, 5, _] → [_, _, 4, 2]

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Answer: Row4[1]=10, Row3[3]=6, Row2[2]=11, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [16,11]
  • [11,5,6]
  • [10,1,4,2]
Base
  • 10
  • 1
  • 4
  • 2
TopValue
27
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":1,"v":11}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [5, 10, 11] → [_, _, 7, 4]

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Answer: Row4[1]=2, Row2[2]=21, Row4[2]=3, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [15,21]
  • [5,10,11]
  • [2,3,7,4]
Base
  • 2
  • 3
  • 7
  • 4
TopValue
36
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":1,"v":3}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, _] → [6, _, 12] → [3, 3, 4, _]

Show answer

Answer: Row4[4]=8, Row3[2]=7, Row1[1]=32, Row2[2]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [13,19]
  • [6,7,12]
  • [3,3,4,8]
Base
  • 3
  • 3
  • 4
  • 8
TopValue
32
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":32}
  • {"r":1,"c":1,"v":19}