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): [56] → [29, _] → [_, 12, 15] → [_, _, 5, 10]

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Answer: Row4[2]=7, Row2[2]=27, Row4[1]=10, Row3[1]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [29,27]
  • [17,12,15]
  • [10,7,5,10]
Base
  • 10
  • 7
  • 5
  • 10
TopValue
56
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"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): [34] → [16, _] → [6, _, 8] → [_, _, 7, 1]

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Answer: Row4[1]=3, Row2[2]=18, Row3[2]=10, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [16,18]
  • [6,10,8]
  • [3,3,7,1]
Base
  • 3
  • 3
  • 7
  • 1
TopValue
34
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 28] → [_, 14, _] → [4, 6, 8, _]

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Answer: Row3[3]=14, Row3[1]=10, Row4[4]=6, Row1[1]=52

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [24,28]
  • [10,14,14]
  • [4,6,8,6]
Base
  • 4
  • 6
  • 8
  • 6
TopValue
52
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 11] → [10, 6, _] → [6, 4, _, _]

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Answer: Row4[3]=2, Row2[1]=16, Row4[4]=3, Row3[3]=5

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