medium Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [29, 32] → [_, 15, _] → [9, _, 10, _]

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Answer: Row3[3]=17, Row4[2]=5, Row3[1]=14, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [29,32]
  • [14,15,17]
  • [9,5,10,7]
Base
  • 9
  • 5
  • 10
  • 7
TopValue
61
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":14}
  • {"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): [21] → [_, 14] → [_, 3, 11] → [3, _, 2, _]

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Answer: Row3[1]=4, Row4[2]=1, Row2[1]=7, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [7,14]
  • [4,3,11]
  • [3,1,2,9]
Base
  • 3
  • 1
  • 2
  • 9
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":7}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [9, 15, 10] → [_, 6, 9, _]

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Answer: Row2[1]=24, Row1[1]=49, Row4[4]=1, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [9,15,10]
  • [3,6,9,1]
Base
  • 3
  • 6
  • 9
  • 1
TopValue
49
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":0,"c":0,"v":49}
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 27] → [12, 15, _] → [3, 9, 6, _]

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Answer: Row2[1]=27, Row1[1]=54, Row4[4]=6, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [27,27]
  • [12,15,12]
  • [3,9,6,6]
Base
  • 3
  • 9
  • 6
  • 6
TopValue
54
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":2,"v":12}