medium Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [16, 9, 9] → [9, _, _, 7]

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Answer: Row4[3]=2, Row4[2]=7, Row2[2]=18, Row1[1]=43

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [25,18]
  • [16,9,9]
  • [9,7,2,7]
Base
  • 9
  • 7
  • 2
  • 7
TopValue
43
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":18}
  • {"r":0,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [32, _] → [_, 14, _] → [9, 9, _, 9]

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Answer: Row2[2]=28, Row3[1]=18, Row3[3]=14, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [32,28]
  • [18,14,14]
  • [9,9,5,9]
Base
  • 9
  • 9
  • 5
  • 9
TopValue
60
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"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): [_] → [14, _] → [6, 8, 13] → [3, 3, _, _]

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Answer: Row1[1]=35, Row2[2]=21, Row4[3]=5, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [14,21]
  • [6,8,13]
  • [3,3,5,8]
Base
  • 3
  • 3
  • 5
  • 8
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [_, 16, 15] → [1, _, 9, 6]

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Answer: Row2[1]=24, Row3[1]=8, Row1[1]=55, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [24,31]
  • [8,16,15]
  • [1,7,9,6]
Base
  • 1
  • 7
  • 9
  • 6
TopValue
55
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":55}
  • {"r":3,"c":1,"v":7}