expert Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 9] → [3, _, 4]

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Answer: Row3[2]=5, Row1[1]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [8,9]
  • [3,5,4]
Base
  • 3
  • 5
  • 4
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"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): [_] → [16, 10] → [_, 9, 1]

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Answer: Row3[1]=7, Row1[1]=26

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [16,10]
  • [7,9,1]
Base
  • 7
  • 9
  • 1
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 8] → [8, 1, _]

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Answer: Row3[3]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [9,8]
  • [8,1,7]
Base
  • 8
  • 1
  • 7
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [13, _] → [_, 3, 1]

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Answer: Row2[2]=4, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [13,4]
  • [10,3,1]
Base
  • 10
  • 3
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":2,"c":0,"v":10}