medium Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [13, _, 3] → [8, _, 1, 2]

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Answer: Row1[1]=28, Row2[1]=19, Row4[2]=5, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [19,9]
  • [13,6,3]
  • [8,5,1,2]
Base
  • 8
  • 5
  • 1
  • 2
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":0,"v":19}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 31] → [12, _, 16] → [_, 8, 7, _]

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Answer: Row3[2]=15, Row4[4]=9, Row4[1]=4, Row1[1]=58

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [27,31]
  • [12,15,16]
  • [4,8,7,9]
Base
  • 4
  • 8
  • 7
  • 9
TopValue
58
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":0,"v":4}
  • {"r":0,"c":0,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [9, 6, _] → [7, 2, _, 1]

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Answer: Row4[3]=4, Row1[1]=26, Row2[2]=11, Row3[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [15,11]
  • [9,6,5]
  • [7,2,4,1]
Base
  • 7
  • 2
  • 4
  • 1
TopValue
26
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":26}
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, 13] → [6, _, _] → [4, _, _, 3]

Show answer

Answer: Row4[3]=4, Row3[3]=7, Row4[2]=2, Row3[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [12,13]
  • [6,6,7]
  • [4,2,4,3]
Base
  • 4
  • 2
  • 4
  • 3
TopValue
25
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":1,"v":6}