expert Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [13, _] → [6, 7, _]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [13,10]
  • [6,7,3]
Base
  • 6
  • 7
  • 3
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 9] → [7, 4, _]

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Answer: Row3[3]=5, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [7,4,5]
Base
  • 7
  • 4
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [_, 3, 6]

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Answer: Row2[2]=9, Row3[1]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [7,3,6]
Base
  • 7
  • 3
  • 6
TopValue
19
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [26] → [_, 17] → [2, _, 10]

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Answer: Row3[2]=7, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [9,17]
  • [2,7,10]
Base
  • 2
  • 7
  • 10
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":9}