expert Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 13] → [_, 9, 4]

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Answer: Row3[1]=4, Row1[1]=26

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [13,13]
  • [4,9,4]
Base
  • 4
  • 9
  • 4
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 18] → [4, 9, _]

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Answer: Row3[3]=9, Row2[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [13,18]
  • [4,9,9]
Base
  • 4
  • 9
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 9] → [1, 2, 7]

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Answer: Row2[1]=3, Row1[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [3,9]
  • [1,2,7]
Base
  • 1
  • 2
  • 7
TopValue
12
HiddenCells
  • {"r":1,"c":0,"v":3}
  • {"r":0,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [9, 5, 5]

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Answer: Row2[2]=10, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [14,10]
  • [9,5,5]
Base
  • 9
  • 5
  • 5
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":0,"c":0,"v":24}