expert Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 8] → [9, 7, _]

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Answer: Row3[3]=1, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [16,8]
  • [9,7,1]
Base
  • 9
  • 7
  • 1
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 20] → [5, _, 10]

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Answer: Row3[2]=10, Row1[1]=35

SubType
number-pyramid
Difficulty
expert
Levels
  • [35]
  • [15,20]
  • [5,10,10]
Base
  • 5
  • 10
  • 10
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 7] → [2, _, 5]

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Answer: Row1[1]=11, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [4,7]
  • [2,2,5]
Base
  • 2
  • 2
  • 5
TopValue
11
HiddenCells
  • {"r":0,"c":0,"v":11}
  • {"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): [_] → [12, 11] → [3, _, 2]

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Answer: Row1[1]=23, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [12,11]
  • [3,9,2]
Base
  • 3
  • 9
  • 2
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":1,"v":9}