expert Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, _] → [6, 6, _]

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Answer: Row2[2]=10, Row3[3]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [6,6,4]
Base
  • 6
  • 6
  • 4
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 14] → [_, 7, 7]

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Answer: Row2[1]=10, Row3[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [10,14]
  • [3,7,7]
Base
  • 3
  • 7
  • 7
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 7] → [_, 5, 2]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [10,7]
  • [5,5,2]
Base
  • 5
  • 5
  • 2
TopValue
17
HiddenCells
  • {"r":2,"c":0,"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): [_] → [_, 11] → [10, 9, 2]

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Answer: Row1[1]=30, Row2[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [19,11]
  • [10,9,2]
Base
  • 10
  • 9
  • 2
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":0,"v":19}