expert Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [9, 5] → [_, _, 1]

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Answer: Row3[2]=4, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [9,5]
  • [5,4,1]
Base
  • 5
  • 4
  • 1
TopValue
14
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 14] → [_, 10, 4]

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Answer: Row3[1]=2, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [12,14]
  • [2,10,4]
Base
  • 2
  • 10
  • 4
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 16] → [10, _, 9]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [33]
  • [17,16]
  • [10,7,9]
Base
  • 10
  • 7
  • 9
TopValue
33
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 11] → [9, 1, _]

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Answer: Row1[1]=21, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [10,11]
  • [9,1,10]
Base
  • 9
  • 1
  • 10
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":2,"v":10}