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): [35] → [18, _] → [10, _, 9]

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Answer: Row3[2]=8, Row2[2]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [35]
  • [18,17]
  • [10,8,9]
Base
  • 10
  • 8
  • 9
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [9, 2] → [8, _, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [9,2]
  • [8,1,1]
Base
  • 8
  • 1
  • 1
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [_, 4] → [_, 3, 1]

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Answer: Row3[1]=3, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [6,4]
  • [3,3,1]
Base
  • 3
  • 3
  • 1
TopValue
10
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [16, 16] → [10, _, _]

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Answer: Row3[3]=10, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [32]
  • [16,16]
  • [10,6,10]
Base
  • 10
  • 6
  • 10
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":6}