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): [17] → [_, _] → [6, 1, 9]

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Answer: Row2[1]=7, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [7,10]
  • [6,1,9]
Base
  • 6
  • 1
  • 9
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 3] → [7, _, 2]

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Answer: Row2[1]=8, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [8,3]
  • [7,1,2]
Base
  • 7
  • 1
  • 2
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, _] → [2, 10, _]

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Answer: Row3[3]=1, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [12,11]
  • [2,10,1]
Base
  • 2
  • 10
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [9, 11] → [3, _, _]

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Answer: Row3[2]=6, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [9,11]
  • [3,6,5]
Base
  • 3
  • 6
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":2,"v":5}