expert Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [10, 2, 1]

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Answer: Row1[1]=15, Row2[2]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [12,3]
  • [10,2,1]
Base
  • 10
  • 2
  • 1
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [10, 7] → [_, 3, _]

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Answer: Row3[3]=4, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [10,7]
  • [7,3,4]
Base
  • 7
  • 3
  • 4
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [3, _] → [2, 1, _]

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Answer: Row3[3]=10, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [3,11]
  • [2,1,10]
Base
  • 2
  • 1
  • 10
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"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): [_] → [7, _] → [2, 5, 8]

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Answer: Row1[1]=20, Row2[2]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [7,13]
  • [2,5,8]
Base
  • 2
  • 5
  • 8
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":1,"c":1,"v":13}