medium Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, _] → [_, 15, 16] → [_, 6, 9, 7]

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Answer: Row4[1]=5, Row3[1]=11, Row1[1]=57, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [26,31]
  • [11,15,16]
  • [5,6,9,7]
Base
  • 5
  • 6
  • 9
  • 7
TopValue
57
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":57}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, _] → [_, 6, 4] → [_, 4, _, 2]

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Answer: Row4[1]=1, Row4[3]=2, Row2[2]=10, Row3[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [11,10]
  • [5,6,4]
  • [1,4,2,2]
Base
  • 1
  • 4
  • 2
  • 2
TopValue
21
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [51] → [22, _] → [_, 15, _] → [_, 6, 9, 5]

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Answer: Row4[1]=1, Row2[2]=29, Row3[3]=14, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [22,29]
  • [7,15,14]
  • [1,6,9,5]
Base
  • 1
  • 6
  • 9
  • 5
TopValue
51
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, _] → [4, 7, _] → [1, 3, 4, _]

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Answer: Row2[1]=11, Row4[4]=7, Row2[2]=18, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [29]
  • [11,18]
  • [4,7,11]
  • [1,3,4,7]
Base
  • 1
  • 3
  • 4
  • 7
TopValue
29
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":11}