expert Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [11, _] → [9, _, 8]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [11,10]
  • [9,2,8]
Base
  • 9
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 20] → [9, 10, _]

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Answer: Row3[3]=10, Row2[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [39]
  • [19,20]
  • [9,10,10]
Base
  • 9
  • 10
  • 10
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 12] → [_, 8, 4]

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Answer: Row1[1]=24, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [12,12]
  • [4,8,4]
Base
  • 4
  • 8
  • 4
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 14] → [_, 7, 7]

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Answer: Row3[1]=4, Row1[1]=25

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [11,14]
  • [4,7,7]
Base
  • 4
  • 7
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":25}