medium Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 30] → [_, _, _] → [7, 7, 7, 9]

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Answer: Row3[3]=16, Row3[2]=14, Row1[1]=58, Row3[1]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [14,14,16]
  • [7,7,7,9]
Base
  • 7
  • 7
  • 7
  • 9
TopValue
58
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":2,"c":1,"v":14}
  • {"r":0,"c":0,"v":58}
  • {"r":2,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [28, 32] → [_, 15, _] → [_, 5, 10, _]

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Answer: Row3[3]=17, Row4[1]=8, Row3[1]=13, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [28,32]
  • [13,15,17]
  • [8,5,10,7]
Base
  • 8
  • 5
  • 10
  • 7
TopValue
60
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [23, _] → [_, _, 4] → [7, 7, _, 2]

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Answer: Row4[3]=2, Row3[1]=14, Row3[2]=9, Row2[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [23,13]
  • [14,9,4]
  • [7,7,2,2]
Base
  • 7
  • 7
  • 2
  • 2
TopValue
36
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 33] → [17, 17, _] → [_, 10, _, 9]

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Answer: Row1[1]=67, Row4[3]=7, Row3[3]=16, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [34,33]
  • [17,17,16]
  • [7,10,7,9]
Base
  • 7
  • 10
  • 7
  • 9
TopValue
67
HiddenCells
  • {"r":0,"c":0,"v":67}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":0,"v":7}